Bitcoin Pool Frontend Website Graphic Design HTML ...

[For Hire] web developer, frontend & backend, PHP HTML5, CSS3, AngularJs, Bitcoin, Nodejs, codeignter ...etc

Hi my name is Zied , from Tunisia , I'm highly skilled frontend , backend developer and also a bitcoin developer I'm the owner and the developer of tow major bitcoin web application http://html5-ninja.com and http://bitcoin-fortune.com , please contact me if you are interested [email protected] :
PROFESSIONAL SKILLSET :
Tools
PERSONAL WORKS
my email [email protected]
submitted by nirvanist to forhire [link] [comments]

List of 110+ Free Udemy & Popular Discounted : ETL & Data Integration Masterclass, HTML, JavaScript, & Bootstrap, Marketing Analytics, Microsoft Excel, Machine Learning, Android App Developer, React JS - A Complete Guide for Frontend Web Development, Python, Tableau, Instructional Design & Many More

ETL & Data Integration Masterclass, HTML, JavaScript, & Bootstrap, Marketing Analytics, Microsoft Excel, Machine Learning, Android App Developer, React JS - A Complete Guide for Frontend Web Development, Python, Tableau, Instructional Design & Many More
Source: Freebies Global - https://freebiesglobal.com/
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submitted by ViralMedia007 to FREECoursesEveryday [link] [comments]

[HIRING][REMOTE]Frontend Developer @ BeInCrypto

What kind of candidates do we need?
Tools:jQuery.Wordpress.
Languages:JavaScript.html.CSS.PHP.
Skills:Rest.
Interested in this job? Please apply here
submitted by tonywangs to BitcoinJobs [link] [comments]

Start learning programming " Here is the best Platforms for you"

Step by step Help for you:
Platforms Node.js Frontend Development iOS Android IoT & Hybrid Apps Electron Cordova React Native Xamarin Linux ContainersOS X Command-Line ScreensaverswatchOS JVM Salesforce Amazon Web Services Windows IPFS Fuse HerokuProgramming Languages JavaScript Promises Standard Style Must Watch Talks Tips Network Layer Micro npm Packages Mad Science npm Packages Maintenance Modules - For npm packages npmAVA - Test runner ESLintSwift Education PlaygroundsPython Rust Haskell PureScript Go Scala Ruby EventsClojure ClojureScript Elixir Elm Erlang Julia Lua C C/C++ R D Common Lisp Perl Groovy Dart JavaRxJava Kotlin OCaml Coldfusion Fortran .NET PHP Delphi Assembler AutoHotkey AutoIt Crystal TypeScriptFront-end Development ES6 Tools Web Performance Optimization Web Tools CSS Critical-Path Tools Scalability Must-Watch Talks ProtipsReact RelayWeb Components Polymer Angular 2 Angular Backbone HTML5 SVG Canvas KnockoutJS Dojo Toolkit Inspiration Ember Android UI iOS UI Meteor BEM Flexbox Web Typography Web Accessibility Material Design D3 Emails jQuery TipsWeb Audio Offline-First Static Website Services A-Frame VR - Virtual reality Cycle.js Text Editing Motion UI Design Vue.js Marionette.js Aurelia Charting Ionic Framework 2 Chrome DevToolsBack-end Development Django Flask Docker Vagrant Pyramid Play1 Framework CakePHP Symfony EducationLaravel EducationRails GemsPhalcon Useful .htaccess Snippets nginx Dropwizard Kubernetes LumenComputer Science University Courses Data Science Machine Learning TutorialsSpeech and Natural Language Processing SpanishLinguistics Cryptography Computer Vision Deep Learning - Neural networks TensorFlowDeep Vision Open Source Society University Functional Programming Static Analysis & Code Quality Software-Defined NetworkingBig Data Big Data Public Datasets Hadoop Data Engineering StreamingTheory Papers We Love Talks Algorithms Algorithm Visualizations Artificial Intelligence Search Engine Optimization Competitive Programming MathBooks Free Programming Books Free Software Testing Books Go Books R Books Mind Expanding Books Book AuthoringEditors Sublime Text Vim Emacs Atom Visual Studio CodeGaming Game Development Game Talks Godot - Game engine Open Source Games Unity - Game engine Chess LÖVE - Game engine PICO-8 - Fantasy consoleDevelopment Environment Quick Look Plugins - OS X Dev Env Dotfiles Shell Command-Line Apps ZSH Plugins GitHub Browser Extensions Cheat SheetGit Cheat Sheet & Git Flow Git Tips Git Add-ons SSH FOSS for DevelopersEntertainment Podcasts Email NewslettersDatabases Database MySQL SQLAlchemy InfluxDB Neo4j Doctrine - PHP ORM MongoDBMedia Creative Commons Media Fonts Codeface - Text editor fonts Stock Resources GIF Music Open Source Documents Audio VisualizationLearn CLI Workshoppers - Interactive tutorials Learn to Program Speaking Tech Videos Dive into Machine Learning Computer HistorySecurity Application Security Security CTF - Capture The Flag Malware Analysis Android Security Hacking Honeypots Incident ResponseContent Management System Umbraco Refinery CMSMiscellaneous JSON Discounts for Student Developers Slack CommunitiesConferences GeoJSON Sysadmin Radio Awesome Analytics Open Companies REST Selenium Endangered Languages Continuous Delivery Services Engineering Free for Developers Bitcoin Answers - Stack Overflow, Quora, etc Sketch - OS X design app Places to Post Your Startup PCAPTools Remote Jobs Boilerplate Projects Readme Tools Styleguides Design and Development Guides Software Engineering Blogs Self Hosted FOSS Production Apps Gulp AMA - Ask Me Anything AnswersOpen Source Photography OpenGL Productivity GraphQL Transit Research Tools Niche Job Boards Data Visualization Social Media Share Links JSON Datasets Microservices Unicode Code Points Internet of Things Beginner-Friendly Projects Bluetooth Beacons Programming Interviews Ripple - Open source distributed settlement network Katas Tools for Activism TAP - Test Anything Protocol Robotics MQTT - "Internet of Things" connectivity protocol Hacking Spots For Girls Vorpal - Node.js CLI framework OKR Methodology - Goal setting & communication best practices Vulkan LaTeX - Typesetting language Network Analysis Economics - An economist's starter kit
Few more resources:
submitted by Programming-Help to Programming_Languages [link] [comments]

PHP Script Casino Management System Online Casino Full Feature

[ Removed by reddit in response to a copyright notice. ]
submitted by Champion01 to u/Champion01 [link] [comments]

Day 9: I will post this guide regularly until available solutions like SegWit, order batching, and Lightning payment channels are mass adopted, the mempool is empty once again, and tx fees are low. Have you done your part?

BACKGROUND
Segregated Witness (SegWit) was activated on the Bitcoin network August 24 2017 as a soft fork that is backward compatible with previous bitcoin transactions (Understanding Segregated Witness). Since that time wallets and exchanges have been slow to deploy SegWit, and the majority of users have not made the switch themselves.
On Dec 18 2017 Subhan Nadeem has pointed out that: If every transaction in the Bitcoin network was a SegWit transaction today, blocks would contain up to 8,000 transactions, and the 138,000 unconfirmed transaction backlog would disappear instantly. Transaction fees would be almost non-existent once again.
Mass SegWit use alone could empty the mempool, result in blocks that are not completely full, and make it possible to include transactions with $0 fee once again.
On Jan 11 2018 when BTC sends went offline at Coinbase the mempool began to rapidly empty. Later in the day when service was restored there was a sharp spike up in the mempool. Subsequently, that afternoon Brian Armstrong finally had to break his silence on the topic and admitted Coinbase is working on SegWit but has still not deployed it. It appears that this is an important data point that indicates if just a few major exchanges would deploy SegWit the high fees bitcoin is experiencing would be eliminated.
SegWit is just one technique available to exchanges and users to reduce pressure on the Bitcoin network. You can make the switch to SegWit on your next transaction, and pressure exchanges to deploy SegWit NOW along with other actions that will reduce their transaction impact on the network. You can help by taking one or more of the action steps below.
ACTION STEPS
  1. If your favorite wallet has not yet implemented SegWit, kindly ask them to do so immediately. If your wallet is not committed to implementing SegWit fast, speak out online any way you can and turn up the pressure. In the meantime start using a wallet that has already implemented SegWit.
  2. If your favorite exchange has not yet implemented SegWit, try to avoid making any further purchases of bitcoin at that exchange and politely inform them that if they do not enable SegWit within 30-days they will lose your business. Sign-up for an account at a SegWit deployed/ready exchange now and initiate the verification process so you'll be ready to bail
  3. Help educate newcomers to bitcoin about the transaction issue, steer them towards SegWit wallets from day one, and encourage them to avoid ever purchasing bitcoin through non-SegWit ready exchanges that are harming bitcoin.
  4. Spread the word! Contact individuals, websites, etc that use bitcoin, explain the benefits of SegWit to everyone, and request they make the switch. Use social media to point out the benefits of SegWit adoption.
IMPORTANT NOTE: The mempool is currently still quite backlogged. If you are a long-term holder and really have no reason to move your bitcoins at this time, wait until the mempool starts to clear and transaction fees go down before moving your bitcoins to a SegWit address or SegWit friendly exchange.
BEYOND SEGWIT - BATCHING, PAYMENT CHANNELS, LIGHTNING
Batching is another great way that exchanges can reduce their fees. See: Saving up to 80% on Bitcoin transaction fees by batching payments. Despite the benefits of batching, some exchanges have been slow to implement it. Users should demand this or walk.
Beyond SegWit & Batching, Lightning Network integration will have even more effect. Lightning is now active and exchanges could setup payment channels between each other so that on-chain transactions need not take place. Some ideas have to outline how that might work are here: Google Doc - Lightning Exchanges. Which two bitcoin exchanges will be the first to establish a lightning channel between themselves and offer free/instant transfers between them for their customers? This will happen in 2018
MEMPOOL/SEGWIT STATISTICS
NEWS/DEVELOPMENTS/VICTORIES
SELECTED TOP EXCHANGES BY BATCHING & SEGWIT STATUS
Exchange Segwit Status Batching Status
Binance NOT READY Yes
Bitfinex Ready Yes
Bitonic Ready Yes
Bitstamp Deployed Yes
Bittrex ? Yes
Coinbase/GDAX NOT READY No
Gemini Ready No
HitBTC Deployed Yes
Huboi ? ?
Kraken Deployed Yes
LocalBitcoins Deployed Yes
OKEx ? ?
Poloniex ? Yes
QuadrigaCX Deployed Yes
Shapeshift Deployed No
Note: all exchanges that have deployed SegWit are currently only sending to p2sh SegWit addresses for now. No exchange will send to a bech32 address like the ones that Electrum generates
Source 1: BitcoinCore.org
Source 2: /Bitcoin
Official statements from exchanges:
SELECTED WALLETS THAT HAVE SEGWIT ALREADY
Make sure you have a SegWit capable wallet installed and ready to use for your next bitcoin transaction
SegWit Enabled Wallets Wallet Type
Ledger Nano S Hardware
Trezor Hardware
Electrum Desktop
Armory Desktop
Edge iOS
GreenAddress iOS
BitWallet iOS
Samourai Android
GreenBits Android
Electrum Android
SegWitAddress.org Paper
FAQs
If I'm a HODLer, will it help to send my BTC to a SegWit address now?
No, just get ready now so that your NEXT transaction will be to a SegWit wallet. Avoid burdening the network with any unnecessary transactions for now.
Why is SegWit adoption going so slowly? Is it a time-consuming process, is there risk involved, is it laziness, or something else?
SegWit will require some extra work to be done right and securely. Also, most exchanges let the user pay the fee, and up to now users have not been overly concerned about fees so for some exchanges it hasn't been a priority.
Once Segwit is FULLY adopted, what do we see the fees/transaction times going to?
Times stay the same - fees will go down. How much and for how long depends on what the demand for transactions will be at that time.
What determines bitcoin transaction fees, to begin with?
Fees are charged per byte of data and are bid up by users. Miners will typically include the transaction with the highest fee/byte first.
Can you please tell me how to move my bitcoins to SegWit address in Bitcoin core wallet? Does the sender or receiver matter?
The Bitcoin core wallet does not yet have a GUI for its SegWit functionality. Download the latest version of Electrum to generate a SegWit address.
A transaction between two SegWit addresses is a SegWit transaction.
A transaction sent from a SegWit address to a non-SegWit address is a SegWit transaction.
A transaction sent from a non-SegWit address to a SegWit address is NOT a SegWit transaction. You can send a SegWit Tx if the sending address is a SegWit address.
Source: HowToToken
What wallet are you using to "batch your sends"? And how can I do that?
Using Electrum, the "Tools" menu option: "Pay to many".
Just enter your receive addresses and the amounts for each, and you can send multiple transactions for nearly the price of one.
Why doesn't the Core Wallet yet support SegWit?
The Core Wallet supports SegWit, but its GUI doesn't. The next update will likely have GUI support built-in
Why isn't a large exchange like Coinbase SegWit ready & deployed when much smaller exchanges already are? Why do they default to high fees? Where is the leadership there?
Draw your own conclusions based on their own words:
March 2016 - Coinbase CEO Brian Armstrong has reservations about Core
Dec 2017 - Coinbase is STILL working on Segwit
P2SH/bech32 FAQs
What are the two SegWit address formats and why do they exist?
It's been a challenge for wallet developers to implement SegWit in a way that users can easily and without too much disruption migrate from legacy to SegWit addresses. The first wallets to enable SegWit addresses – Ledger, Trezor, Core, GreenAddress – use so-called “nested P2SH addresses.” This means they take the existing Pay 2 Script Hash address – starting with a “3” – and put a SegWit address into it. This enables a high grade of compatibility to exist wallets as every wallet is familiar with these addresses, but it is a workaround which results in SegWit transactions needing around 10 percent more space than they otherwise would.
Electrum 3.0 was the first wallet to use bech32 addresses instead of nested p2sh addresses.
Source: BTCManager.com
What is the difference in address format between SegWit address formats P2SH and bech32?
P2SH starts with "3..."
bech32 starts with "bc1..."
Which addresses can I send from/to?
P2SH Segwit addresses can be sent to using older Bitcoin software with no Segwit support. This supports backward compatibility
bech32 can only be sent to from newer Bitcoin software that support bech32. Ex: Electrum
Source: BitcoinTalk.org
Why did ThePirateBay put up two Bitcoin donation addresses on their frontpage, one bech32 and one not?
The address starting with a "3..." is a P2SH SegWit address that can be sent BTC from any bitcoin address including a legacy address. The address starting with a "bc1..." is a bech32 SegWit address that can only be sent to from newer wallets that support bech32.
SEGWIT BLOG GUIDES
PREVIOUS DAY'S THREADS
There's lots of excellent info in the comments of the previous threads:
submitted by Bastiat to Bitcoin [link] [comments]

Day 7: I will post this guide regularly until available solutions like SegWit & order batching are mass adopted, the mempool is empty once again, and tx fees are low. Do you want low tx fees, because this is how you get low tx fees

TL/DR
Bitcoin users can help lower transaction fees and improve bitcoin by switching to SegWit addresses and encourage wallets/exchanges to do the same.
SUMMARY
Segregated Witness (SegWit) was activated on the Bitcoin network August 24 2017 as a soft fork that is backward compatible with previous bitcoin transactions (Understanding Segregated Witness). Since that time wallets and exchanges have been slow to deploy SegWit, some admitting in December 2017 that they have not even started work on integrating it. Others, such as Zebpay in India have already implemented SegWit and are reaping the benefits of reduced transaction fees. If bitcoin users demand SegWit now it will temporarily relieve the transaction backlog while more even more advanced solutions such as Lightning are developed.
Batching is another great way that exchanges can reduce their fees. See: Saving up to 80% on Bitcoin transaction fees by batching payments. Despite the benefits of batching, some exchanges have been slow to implement it.
There is an opportunity now for all bitcoin users to individually contribute to help strengthen and improve the bitcoin protocol. At this point, the process requires a bit of work/learning on the part of the user, but in doing so you'll actually be advancing bitcoin and leaving what could turn out to be a multi-generational legacy for humanity.
MEMPOOL/SEGWIT STATISTICS
BACKGROUND
On Dec 18 Subhan Nadeem has pointed out that:
If every transaction in the Bitcoin network was a SegWit transaction today, blocks would contain up to 8,000 transactions, and the 138,000 unconfirmed transaction backlog would disappear instantly. Transaction fees would be almost non-existent once again.
A few thousand bitcoin users from /Bitcoin switching to making their next transactions SegWit transactions will help take pressure off the network now, and together we can encourage exchanges/wallets to rapidly deploy SegWit for everyone ASAP. Let's make 80%+ SegWit happen fast. You can help by taking one or more of the action steps below.
ACTION STEPS
  1. If your favorite wallet has not yet implemented SegWit, kindly ask them to do so immediately. In the meantime start using a wallet that has already implemented SegWit.
  2. If your favorite exchange has not yet implemented SegWit, try to avoid making any further purchases of bitcoin at that exchange and politely inform them that if they do not enable SegWit within 30-days they will lose your business. Sign-up for an account at a SegWit deployed/ready exchange now and initiate the verification process so you'll be ready to bail
  3. Help educate newcomers to bitcoin about the transaction issue, steer them towards SegWit wallets from day one, and encourage them to avoid ever purchasing bitcoin through non-SegWit ready exchanges that are harming bitcoin.
  4. Spread the word! Conact individuals, websites, etc that use bitcoin, explain the benefits of SegWit to everyone, and request they make the switch
IMPORTANT NOTE: The mempool is currently still quite backlogged. If you are a long-term holder and really have no reason to move your bitcoins at this time, wait until the mempool starts to clear and transaction fees go down before moving your bitcoins to a SegWit address or SegWit friendly exchange.
SELECTED TOP EXCHANGES BY BATCHING & SEGWIT STATUS
Exchange Segwit Status Batching Status
Binance NOT READY Yes
Bitfinex Ready Yes
Bitonic Ready Yes
Bitstamp Deployed Yes
Bittrex ? Yes
Coinbase/GDAX NOT READY No
Gemini Ready No
HitBTC Deployed Yes
Huboi ? ?
Kraken Deployed Yes
LocalBitcoins Ready Yes
OKEx ? ?
Poloniex ? Yes
QuadrigaCX Deployed Yes
Shapeshift Deployed No
Note: all exchanges that have deployed SegWit are currently only sending to p2sh SegWit addresses for now. No exchange will send to a bech32 address like the ones that Electrum generates
Source 1: BitcoinCore.org
Source 2: /Bitcoin
Official statements from exchanges:
SELECTED WALLETS THAT HAVE SEGWIT ALREADY
Make sure you have a SegWit capable wallet installed and ready to use for your next bitcoin transaction
SegWit Enabled Wallets Wallet Type
Ledger Nano S Hardware
Trezor Hardware
Electrum Desktop
Armory Desktop
Edge iOS
GreenAddress iOS
BitWallet iOS
Samourai Android
GreenBits Android
Electrum Android
SegWitAddress.org Paper
FAQs
If I'm a HODLer, will it help to send my BTC to a SegWit address now?
  • No, just get ready now so that your NEXT transaction will be to a SegWit wallet. Avoid burdening the network with any unneccessary transactions for now.
Why is SegWit adoption going so slowly? Is it a time-consuming process, is there risk involved, is it laziness, or something else?
  • SegWit will require some extra work to be done right and securely. Also, most exchanges let the user pay the fee, and up to now users have not been overly concerned about fees so for some exchanges it hasn't been a priority.
Once Segwit is FULLY adopted, what do we see the fees/transaction times going to?
  • Times stay the same - fees will go down. How much and for how long depends on what the demand for transactions will be at that time.
What determines bitcoin transaction fees, to begin with?
  • Fees are charged per byte of data and are bid up by users. Miners will typically include the transaction with the highest fee/byte first.
Can you please tell me how to move my bitcoins to SegWit address in Bitcoin core wallet? Does the sender or receiver matter?
  • The Bitcoin core wallet does not yet have a GUI for its SegWit functionality. Download Electrum v3.0.3 to generate a SegWit address.
    A transaction between two SegWit addresses is a SegWit transaction.
    A transaction sent from a SegWit address to a non-SegWit address is a SegWit transaction.
    A transaction sent from a non-SegWit address to a SegWit address is NOT a SegWit transaction. You can send a SegWit Tx if the sending address is a SegWit address.
    Source: HowToToken
What wallet are you using to "batch your sends"? And how can I do that?
  • Using Electrum, the "Tools" menu option: "Pay to many".
    Just enter your receive addresses and the amounts for each, and you can send multiple transactions for nearly the price of one.
Why doesn't the Core Wallet yet support SegWit?
  • The Core Wallet supports SegWit, but its GUI doesn't. The next update will likely have GUI support built-in
Why isn't a large exchange like Coinbase SegWit ready & deployed when much smaller exchanges already are? Why do they default to high fees? Where is the leadership there?
P2SH/bech32 FAQs
What are the two SegWit address formats and why do they exist?
  • It's been a challenge for wallet developers to implement SegWit in a way that users can easily and without too much disruption migrate from legacy to SegWit addresses. The first wallets to enable SegWit addresses – Ledger, Trezor, Core, GreenAddress – use so-called “nested P2SH addresses.” This means they take the existing Pay 2 Script Hash address – starting with a “3” – and put a SegWit address into it. This enables a high grade of compatibility to existing wallets as every wallet is familiar with these addresses, but it is a workaround which results in SegWit transactions needing around 10 percent more space than they otherwise would.
    Electrum 3.0 was the first wallet to use bech32 addresses instead of nested p2sh addresses.
    Source: BTCManager.com
What is the difference in address format between SegWit address formats P2SH and bech32?
  • P2SH starts with "3..."
    bech32 starts with "bc1..."
Which addresses can I send from/to?
  • P2SH Segwit addresses can be sent to using older Bitcoin software with no Segwit support. This supports backwards compatibility
    bech32 can only be sent to from newer Bitcoin software that support bech32. Ex: Electrum
    Source: BitcoinTalk.org
Why did ThePirateBay put up two Bitcoin donation addresses on their frontpage, one bech32 and one not?
  • The address starting with a "3..." is a P2SH SegWit address that can be sent BTC from any bitcoin address including a legacy address. The address starting with a "bc1..." is a bech32 SegWit address that can only be sent to from newer wallets that support bech32.
SEGWIT BLOG GUIDES
PREVIOUS DAY'S THREADS
There's lots of excellent info in the comments of the previous threads:
submitted by Bastiat to Bitcoin [link] [comments]

Day 8: I will post this guide regularly until available solutions like SegWit, order batching, and Lightning payment channels are mass adopted, the mempool is empty once again, and tx fees are low. BTC Core SegWit GUI coming May 1, Coinbase incompetence exposed, more exchanges deploy SegWit

BACKGROUND
Segregated Witness (SegWit) was activated on the Bitcoin network August 24 2017 as a soft fork that is backward compatible with previous bitcoin transactions (Understanding Segregated Witness). Since that time wallets and exchanges have been slow to deploy SegWit, and the majority of users have not made the switch themselves.
On Dec 18 2017 Subhan Nadeem has pointed out that: If every transaction in the Bitcoin network was a SegWit transaction today, blocks would contain up to 8,000 transactions, and the 138,000 unconfirmed transaction backlog would disappear instantly. Transaction fees would be almost non-existent once again.
Mass SegWit use alone could empty the mempool, result in blocks that are not completely full, and make it possible to include transactions with $0 fee once again.
On Jan 11 2018 when BTC sends went offline at Coinbase the mempool began to rapidly empty. Later in the day when service was restored there was a sharp spike up in the mempool. Subsequently, that afternoon Brian Armstrong finally had to break his silence on the topic and admitted Coinbase is working on SegWit but has still not deployed it. It appears that the high fees bitcoin is experiencing could be easily addressed and need not exist.
SegWit is just one technique available to exchanges and users to reduce pressure on the Bitcoin network. You can make the switch to SegWit on your next transaction, and pressure exchanges to deploy SegWit NOW along with other actions that will reduce their transaction impact on the network. You can help by taking one or more of the action steps below.
ACTION STEPS
  1. If your favorite wallet has not yet implemented SegWit, kindly ask them to do so immediately. If your wallet is not committed to implementing SegWit fast, speak out online any way you can and turn up the pressure. In the meantime start using a wallet that has already implemented SegWit.
  2. If your favorite exchange has not yet implemented SegWit, try to avoid making any further purchases of bitcoin at that exchange and politely inform them that if they do not enable SegWit within 30-days they will lose your business. Sign-up for an account at a SegWit deployed/ready exchange now and initiate the verification process so you'll be ready to bail
  3. Help educate newcomers to bitcoin about the transaction issue, steer them towards SegWit wallets from day one, and encourage them to avoid ever purchasing bitcoin through non-SegWit ready exchanges that are harming bitcoin.
  4. Spread the word! Contact individuals, websites, etc that use bitcoin, explain the benefits of SegWit to everyone, and request they make the switch. Use social media to point out the benefits of SegWit adoption.
IMPORTANT NOTE: The mempool is currently still quite backlogged. If you are a long-term holder and really have no reason to move your bitcoins at this time, wait until the mempool starts to clear and transaction fees go down before moving your bitcoins to a SegWit address or SegWit friendly exchange.
BEYOND SEGWIT - BATCHING, PAYMENT CHANNELS, LIGHTNING
Batching is another great way that exchanges can reduce their fees. See: Saving up to 80% on Bitcoin transaction fees by batching payments. Despite the benefits of batching, some exchanges have been slow to implement it. Users should demand this or walk.
Beyond SegWit & Batching, Lightning Network integration will have even more effect. Lightning is now active and exchanges could setup payment channels between each other so that on-chain transactions need not take place. Some ideas have to outline how that might work are here: Google Doc - Lightning Exchanges. Which two bitcoin exchanges will be the first to establish a lightning channel between themselves and offer free/instant transfers between them for their customers? This will happen in 2018
MEMPOOL/SEGWIT STATISTICS
NEWS/DEVELOPMENTS/VICTORIES
SELECTED TOP EXCHANGES BY BATCHING & SEGWIT STATUS
Exchange Segwit Status Batching Status
Binance NOT READY Yes
Bitfinex Ready Yes
Bitonic Ready Yes
Bitstamp Deployed Yes
Bittrex ? Yes
Coinbase/GDAX NOT READY No
Gemini Ready No
HitBTC Deployed Yes
Huboi ? ?
Kraken Deployed Yes
LocalBitcoins Deployed Yes
OKEx ? ?
Poloniex ? Yes
QuadrigaCX Deployed Yes
Shapeshift Deployed No
Note: all exchanges that have deployed SegWit are currently only sending to p2sh SegWit addresses for now. No exchange will send to a bech32 address like the ones that Electrum generates
Source 1: BitcoinCore.org
Source 2: /Bitcoin
Official statements from exchanges:
SELECTED WALLETS THAT HAVE SEGWIT ALREADY
Make sure you have a SegWit capable wallet installed and ready to use for your next bitcoin transaction
SegWit Enabled Wallets Wallet Type
Ledger Nano S Hardware
Trezor Hardware
Electrum Desktop
Armory Desktop
Edge iOS
GreenAddress iOS
BitWallet iOS
Samourai Android
GreenBits Android
Electrum Android
SegWitAddress.org Paper
FAQs
If I'm a HODLer, will it help to send my BTC to a SegWit address now?
No, just get ready now so that your NEXT transaction will be to a SegWit wallet. Avoid burdening the network with any unnecessary transactions for now.
Why is SegWit adoption going so slowly? Is it a time-consuming process, is there risk involved, is it laziness, or something else?
SegWit will require some extra work to be done right and securely. Also, most exchanges let the user pay the fee, and up to now users have not been overly concerned about fees so for some exchanges it hasn't been a priority.
Once Segwit is FULLY adopted, what do we see the fees/transaction times going to?
Times stay the same - fees will go down. How much and for how long depends on what the demand for transactions will be at that time.
What determines bitcoin transaction fees, to begin with?
Fees are charged per byte of data and are bid up by users. Miners will typically include the transaction with the highest fee/byte first.
Can you please tell me how to move my bitcoins to SegWit address in Bitcoin core wallet? Does the sender or receiver matter?
The Bitcoin core wallet does not yet have a GUI for its SegWit functionality. Download the latest version of Electrum to generate a SegWit address.
A transaction between two SegWit addresses is a SegWit transaction.
A transaction sent from a SegWit address to a non-SegWit address is a SegWit transaction.
A transaction sent from a non-SegWit address to a SegWit address is NOT a SegWit transaction. You can send a SegWit Tx if the sending address is a SegWit address.
Source: HowToToken
What wallet are you using to "batch your sends"? And how can I do that?
Using Electrum, the "Tools" menu option: "Pay to many".
Just enter your receive addresses and the amounts for each, and you can send multiple transactions for nearly the price of one.
Why doesn't the Core Wallet yet support SegWit?
The Core Wallet supports SegWit, but its GUI doesn't. The next update will likely have GUI support built-in
Why isn't a large exchange like Coinbase SegWit ready & deployed when much smaller exchanges already are? Why do they default to high fees? Where is the leadership there?
Draw your own conclusions based on their own words:
March 2016 - Coinbase CEO Brian Armstrong has reservations about Core
Dec 2017 - Coinbase is STILL working on Segwit
P2SH/bech32 FAQs
What are the two SegWit address formats and why do they exist?
It's been a challenge for wallet developers to implement SegWit in a way that users can easily and without too much disruption migrate from legacy to SegWit addresses. The first wallets to enable SegWit addresses – Ledger, Trezor, Core, GreenAddress – use so-called “nested P2SH addresses.” This means they take the existing Pay 2 Script Hash address – starting with a “3” – and put a SegWit address into it. This enables a high grade of compatibility to exist wallets as every wallet is familiar with these addresses, but it is a workaround which results in SegWit transactions needing around 10 percent more space than they otherwise would.
Electrum 3.0 was the first wallet to use bech32 addresses instead of nested p2sh addresses.
Source: BTCManager.com
What is the difference in address format between SegWit address formats P2SH and bech32?
P2SH starts with "3..."
bech32 starts with "bc1..."
Which addresses can I send from/to?
P2SH Segwit addresses can be sent to using older Bitcoin software with no Segwit support. This supports backward compatibility
bech32 can only be sent to from newer Bitcoin software that support bech32. Ex: Electrum
Source: BitcoinTalk.org
Why did ThePirateBay put up two Bitcoin donation addresses on their frontpage, one bech32 and one not?
The address starting with a "3..." is a P2SH SegWit address that can be sent BTC from any bitcoin address including a legacy address. The address starting with a "bc1..." is a bech32 SegWit address that can only be sent to from newer wallets that support bech32.
SEGWIT BLOG GUIDES
PREVIOUS DAY'S THREADS
There's lots of excellent info in the comments of the previous threads:
submitted by Bastiat to Bitcoin [link] [comments]

Calling Javascript function from server side

Hello,
consider this page: https://pflegeauskunft-hessen.de/wp-content/themes/Avada-Child-Theme/active-java/bitcoin_app/index.html. What's happening in the frontend is not important. It has a .js file running in the background (autosave.js), that records bitcoin price data and a time stamp and sends them to a .php file which stores it in a mySQL database.
Via setInterval, the data collection works while I access the website. When I'm not on the website, autosave.js is not running.
I would like to have this task run from "server side". I.e. I would like autosave.js to run even while noone visits the site. The server should simply execute it permanently.
I am aware that this kind of task should probably be done with PHP or another programming language. However, I'm not too familiar with PHP and am currently learning Javascript, therefore I'd like to go ahead in Javascript.
Google search didn't yield any good results. Do you have hints on how to achieve this?
Thx!
submitted by nick-bravo to learnjavascript [link] [comments]

Blockchain – The Basics you should know

A community following banking, investing, or cryptocurrency over the last ten years may be familiar with “blockchain”. What is blockchain technology? It is a record-keeping technology behind bitcoin. In case of learning blockchain, you may have come to related terminologies- such as distributed, decentralized, and public ledger.

What is blockchain?

A Blockchain can be defined as a chain of the block that contains information. This technique is planned to timestamp digital documents so that it’s not possible to backdate them or temper them. The blockchain is used to the secure transfer of items like money, property, contracts, etc. This transfer is carried out without requiring a third-party intermediary like a bank or government. When information is recorded inside a blockchain, it is extremely hard to transform it.
The blockchain is a software protocol. Internet is necessary for running the blockchain. It is also called meta-technology as it affects other technologies. It consists of some pieces: a database, software application, some connected computers, etc. There are many wrong assumptions about blockchain. So just clear these points.

What blockchain is not?

⦁ Blockchain is not a Bitcoin, actually it is a technology behind Bitcoin.
⦁ Blockchain is the ledger to keep track of who owns the digital tokens while bitcoin is the digital token.
⦁ You can’t have Bitcoin without blockchain, but you can have blockchain without Bitcoin.

Need of Blockchain-

1. Time reduction:

Blockchain plays an important role in the financial industry. It does not require a lengthy process of verification, settlement and clearance also, so it allows quicker settlement of trades. This is because a single version of agreed-upon data of the share ledger is available between all stakeholders.

2. Reliability:

Blockchain affirms and confirms the identities of the interested individuals. This evacuates double records, reducing rates and accelerates transactions also.

3. Unchangeable transactions:

After registering transactions in chronological order, Blockchain ensures the unalterability of all operations. This means when any new block has been added to the chain of ledgers, it cannot be removed or altered.

4. Fraud prevention:

The concepts of shared data and consensus prevent possible losses due to fraud misappropriation. In logistics industries, blockchain is a monitoring system to reduce costs.

5. Security:

Attacking a traditional database is the bringing down of a specific target. Using Distributed Ledger Technology, each party can hold a copy of the original chain. So the system remains operative, even the large number of other nodes fall.

6. Transparency:

Changes to public blockchains are publicly viewable to everyone. This gives more transparency, and also all transactions are changeless.

Versions of Blockchain-

1. Blockchain 1.0: Currency

The implementation of distributed ledger technology prompted its first and obvious application: cryptocurrencies. It is used in currency and payments. It permits the financial transactions carried out through blockchain technology. Bitcoin is the most common example in this segment.

2. Blockchain 2.0: Smart Contracts

Smart Contracts are the small computer programs that work with the blockchain. They are the computer programs that automatically executes, and check conditions that are defined earlier like facilitation, verification or enforcement. It is used as an alternative for traditional contracts.

3. Blockchain 3.0: DApps:

DApps is an abbreviation of decentralized application. It has their backend code that runs on a decentralized peer-to-peer network. A DApp can have frontend code and user interfaces written in any language that can make a call to its backend, like a traditional Apps.

Structure of Blockchain-

Basically, blockchain is a public digital ledger. This ledger records transactions across computers. What makes it successful and popular? The answer is, it is centralized and distributed. Let us consider one example- Let’s say that person A wants to send some Bitcoins to another person B. To do that, they must know what is wallet address of person B. This wallet address is usually similar to an email. But we use this wallet address to send money rather than emails. Once the money is sent, it must be verified by every node. This node is a part of the blockchain network to get to person B’s wallet. In this transaction, every computer on the blockchain makes a transaction record and also saves it. Hence rather than having one transaction record kept in a bank, there are thousands of records stored in thousands of computers.
You might not like the thing of having your transaction records available on so many computers. This issue is resolved by making transactions mysterious. This is achieved by using cryptography. Hence cryptography is vital part of this technology. In case of changing transaction records, it would have to access every node ie., computer. But this is impossible. Blockchain miners are the people dedicated to devices and blockchain. Devices of these blockchain miners are the nodes on the network that validate transactions and store it in distributed ledger. These miners are get rewarded in bitcoins for their services.

Use Cases of Blockchain-

1. Government sector-

Blockchains are used in government sector for digitization of document/ contracts and proof of ownership. It can also be used for Tele-attorney service, registration and identification, IP registration and exchange, Tax receipts Notary service and document registry.

2. Markets-

Blockchain is used in marketing for billing, monitoring and data transfer. Also it is useful for Quota management in supply chain network.

3. IoT-

Blockchain technology is used in IoT for agricultural and drone sensor networks, smart home networks, integrated smart city, self-driving cars, robots and digital assistants etc.

4. Health-

Health sector uses Blockchain for data management, Big health data streams analytics, Digital health wallet smart property and personal development contracts etc.

5. Finance –

Digital Currency Payment, Inter-divisional accounting, Clearing & Trading & Derivatives and Bookkeeping also uses Blockchain technology.

Future of Blockchain-

1.Most governments around the world will create or adopt some form of virtual currency. This leads to the development of nations.
  1. By 2030, there will be more trillion-dollar tokens than there will be trillion-dollar companies.
  2. Most of the world trade will be conducted using blockchain technology.

Disadvantages of Blockchain-

1.Technology cost
  1. Speed inefficiency
  2. Illegal activity
  3. Hack Susceptibility

Conclusion-

Blockchain is a new technology that will help nation and also businesses for development. Blockchain is also used in Healthcare. Hence, it is most significant use of Blockchain technology.
Interested in incorporating blockchain to your business? Solace will be the perfect place to get started. Solace expert’s in blockchain will help your business to step forward in a wide market. For effective blockchain development, contact us.
submitted by SolaceInfotech to BlockChain_info [link] [comments]

Homelab collective ressources post!

Hey guys!
I'm fairly new to this sub and to having a home lab in general and I found this community to be so kind and helping, I wanted to give back what I've learned. I'm seeing a lot of questions asked around on improvements and on what to do with x extra hardware so I thought it would be nice to have a thread to regroup that.
 
I'll put here some stuff I gathered and the most common questions I've seen, feel free to contribute and i'll update the post along.
 
Latest Additions
 
Homelab Dashboard
Posts about dashboards have been growing lately and here are some of the best that were kind enough to provide us with their sources.
User Screenshot Source
yours truly http://imgur.com/a/GhCNH https://github.com/Gabisonfire/dashboard-q
lastditchefrt http://i.imgur.com/5zQdao4.png https://github.com/d4rk22/Network-Status-Page
_SleepingBag_ http://i.imgur.com/Ql9ZM4W.png https://github.com/jsank/homelabdash
NiknakSi https://niknak.org/extras/sysinfo TBA
DainBramaged http://imgur.com/jYNlUEQ https://github.com/gordonturneBigBoard
michaelh4u https://i.imgur.com/XkZwMKj.png https://github.com/michaelh4u/homelabfrontpage
spigotx http://imgur.com/a/1zMht https://github.com/spigotx/HomeLab2
SirMaster https://nicko88.com/ https://github.com/dashbad/plex-server-status
yourofl10 http://imgur.com/a/AyROa TBA
TheBobWiley http://imgur.com/a/oU6d3 https://github.com/TheBobWiley/ManageThis-LandingPages
0110010001100010 http://i.imgur.com/iwtQcsL.jpg https://github.com/danodemano/monitoring-scripts
mescon & SyNiK4L https://i.imgur.com/gqdVM6p.jpg https://github.com/mescon/Muximux
ak_rex http://i.imgur.com/a/RJkrT https://github.com/ak-rex/homelab-dashboard
 
Or build yours from scratch: PRTG API, ELK, Grafana, freeboard, JumpSquares
 
Some other resources: Custom Monitoring Scripts by 0110010001100010
 
Credits to apt64 for his original post
= Pi specific =
 
= Download Automation =
 
= Virtualization =
 
= Monitoring =
 
= Media Center =
 
= Remote access =
 
= VOIP =
 
= Networking =
 
= File Servers/Storage/RAID =
 
= Cameras =
 
= Documentation =
 
= Dynamic DNS =
 
= Backup =
 
= Creating network diagrams =
 
= Guides =
 
= Misc =
 
That's all I could come up with on top of my head + some research, passing over to you guys so we can get a nice complete list!
 
Let's try and stick with free(or mostly) softwares, let me know if you guys feel otherwise.
submitted by Gabisonfire to homelab [link] [comments]

What The Nupay Team Has For The Community

The NUPay team developed the Platform using Blockchain technology and the Ethereum smart-contract system, which ensures every transaction is fast and secure. NUPay will commence its operations by sending NUPay best current mobile money payment application. With this mobile app, NUPay hopes that Users can make payments safely and quickly through the devices they use.
Team NUPay also developed this platform with several features, such as Users can transact, buy and sell their goods and services, cryptocurrency in the market provided by merchants. People will be able to save, spend and exchange TPCT in the same way as other currencies, but in more renewable, fast, cheaper and safer ecosystems. The NUPay platform provides it Native tokens as a valid payment instrument within the Platform; firstly, TPCT can be used for transactions and second, TPCT as digital physical payment gateway form. TPCT is a digital payment solution issued by NUPay and fully follows the current global price and has been certified for authenticity in Korea.
The Blockchain What is Blockchain? By allowing digital information to be distributed but not copied, blockchain technology created the backbone of a new type of internet. Originally devised for the digital currency, bitcoin, the tech community is now finding other potential uses for the technology.
Features of using NUPay Network
NUPay Stored Value Cards and vouchers – to be issued to consumers with an account that can store TPCT and for transaction
NUPay Payment Terminals – to facilitate merchants to accept payment by NUPay cards
NUPay Machines and Mobile App – to be installed at various locations to provide 24/7 convenient access by account holders
NUPay Payment Gateway – the complete suite of backend system and frontend app to support online and mobile transactions
Why NUPay using Ethereum Smart Contract
NUPay is using Ethereum platform as it is currently the most widely accepted platform which offers all the benefits of a blockchain (full traceability, non- repudiability) and multiple source language implementations that encourage integration. Ethereum will handle only the parts needing consensus, transparency and accountability. Other services will continue to be provided using existing technology. NUPay needs a transactional blockchain with a powerful system of smart contracts which have the ability to ensure that a transaction can combine with the results of previous transactions to provide auditable consistent results. To date, Ethereum is the only stable system that has achieved widespread adoption.
However, NUPay believes that with a solid and reliable team and system, NUPay can provide to Users, a fully-fledged Sales and Payment Platform that is fully supported, secure and powerful, and provides the Users with diverse benefits and conveniences. The NUPay team also believes that with systematic and professional development, the project will drive traffic and become the world crypto payment solution.
For more information
Token Name: TPCT Platform: Ethereum Total token Supply: 2,500,000,000 TPCT Token Price: 25,000 TPCT = 1 ETH ICO price: 40,000 ETH = 1,000,000,000 TPCT Soft Cap: 500,000 TPCT Hard Cap: 1,000,000,000 TPCT Minimum Investment: 0.1 ETH
Website
Whitepaper
ICO Website
Telegram
Medium
ANN Thread
Author profile
Author name: Yetundefas
Eth address: 0xB6a101a1A827141deb9090C2fAE24d62a8aCc6c1
submitted by mikkymi to CryptocurrencyICOs [link] [comments]

Proper Care & Feeding of your CryptoLocker Infection: A rundown on what we know.

This article is no longer being maintained, please see the new version here. Thanks.
tl;dr: I hope you have backups. It's legit, it really encrypts. It can jump across mapped network drives and encrypt anything with write access, and infection isn't dependent on being a local admin or UAC state. Most antiviruses do not catch it until the damage is done. The timer is real and your opportunity to pay them goes away when it lapses. You can pay them with a GreenDot MoneyPak or 2 Bitcoins, attempt to restore a previous version using ShadowExplorer, go to a backup, or be SOL.
Vectors: In order of likelihood, the vectors of infection have been:
  • Email attachments: A commonly reported subject is Payroll Report. The attachment, most of the time, is a zip with a PDF inside, which is actually an executable.
  • PCs that are unwitting members of the Zeus botnet have had the virus pushed to them directly.
  • There is currently one report of an infection through Java, using the .jnlp file as a dropper to load the executable.
Variants: The current variant demands $300 via GreenDot MoneyPak or 2 BTC. I will not attempt to thoroughly monitor the price of bitcoins for this thread, use Mt. Gox for the current exchange rate. Currently the MoneyPak is the cheaper option, but last week Bitcoins were. Two variants, including a $100 variant and a $300 that did not offer Bitcoin, are defunct.
Payload: The virus stores a public RSA 2048-bit key in the local registry, and goes to a C&C server for a private key which is never stored. The technical nuts and bolts have been covered by Fabian from Emsisoft here. It will use a mix of RSA 2048-bit and AES 256-bit encryption on files matching these masks:
*.odt, *.ods, *.odp, *.odm, *.odc, *.odb, *.doc, *.docx, *.docm, *.wps, *.xls, *.xlsx, *.xlsm, *.xlsb, *.xlk, *.ppt, *.pptx, *.pptm, *.mdb, *.accdb, *.pst, *.dwg, *.dxf, *.dxg, *.wpd, *.rtf, *.wb2, *.mdf, *.dbf, *.psd, *.pdd, *.eps, *.ai, *.indd, *.cdr, ????????.jpg, ????????.jpe, img_*.jpg, *.dng, *.3fr, *.arw, *.srf, *.sr2, *.bay, *.crw, *.cr2, *.dcr, *.kdc, *.erf, *.mef, *.mrw, *.nef, *.nrw, *.orf, *.raf, *.raw, *.rwl, *.rw2, *.r3d, *.ptx, *.pef, *.srw, *.x3f, *.der, *.cer, *.crt, *.pem, *.pfx, *.p12, *.p7b, *.p7c, *.pdf, *.tif
This list of file masks may be incomplete. Trust this list at your peril. When in doubt, CryptoLocker will show you what files it has encrypted by clicking the relevant link in the virus's message.
It will access mapped network drives that the current user has write access to and encrypt those. It will not attack server shares, only mapped drives. Current reports are unclear as to how much permission is needed for the virus to encrypt a mapped drive, and if you have clarification or can test in a VM please notify me via message.
By the time the notification pops up, it's already encrypted everything. It's silent until the job is done.
Many antiviruses have been reported as not catching the virus until it's too late, including MSE, Trend Micro WFBS, Eset, GFI Vipre, and Kaspersky. They can further complicate matters by reverting registry changes and removing the executables, leaving the files behind without a public or private key. Releasing the files from quarantine does work, as does releasing the registry keys added and downloading another sample of the virus.
Windows XP through 8 have all reported infections.
What's notable about this virus, and this is going to lead to a lot of tough decisions, is that paying them to decrypt the files actually does work, so long as their C&C server is up. They verify the money transfer manually and then push a notification for the infected machine to call home for the private key again, which it uses to decrypt. It takes a long time to decrypt, at the rate of roughly 5GB/hr based on forum reports. The virus uses the registry to maintain a list of files and paths, so not moving the files around is vital to decryption if you are paying them.
Also notable is that the timer it gives you to pay them does appear to be legitimate, as multiple users have reported that once the timer ran out, the program uninstalled itself. Reinfecting the machine does not bring a new timer. I was not able to verify the uninstallation of the program after the timer ran out, it appears to be dependent on internet access.
Due to the nature of the encryption, brute-forcing a decrypt is essentially impossible for now.
Removal: Removing the virus itself is trivial, but no antivirus product (or any product, for that matter), will be able to decrypt the files until the private key is found.
File Recovery: There are only a handful of options for recovering encrypted files, and they all rely on either having System Restore/VSS turned on or having a backup disconnected from the infected machine. Cloud backup solutions without versioning are no good against this as they will commit the encrypted files to the cloud.
I had a Carbonite employee message me regarding my earlier statement that Carbonite is no good against this virus. It turns out that versioning is included in all Carbonite plans and support all agent OSes except Mac OS X which is outside the scope of this thread anyway. They have the ability to do a mass reversion of files, but you must call tech support and upon mentioning CryptoLocker you will be escalated to a tier 3 tech. They do not mention this ability on the site due to the potential for damage a mass reversion could do if done inadvertently. These are my own findings, independent of what the employee told me. Crashplan and other versioning-based backup solutions such as SonicWALL CDP should also work fine provided the backups are running normally.
Using the "Previous Versions" tab of the file properties is a cheap test, and has had mixed results. Using ShadowExplorer on Vista-8 will give you a much easier graphical frontend for restoring large amounts of files at once (though this will not help with mapped drives, you'd need to run it on the server in that case). Undelete software doesn't work as it encrypts the files in place on the hard drive, there is no copying going on. The big takeaway is that cold-storage backups are good, and they will make this whole process laughably easy to resolve.
Prevention: As this post has attracted many home users, I'll put at the top that MalwareBytes Pro, Avast! Free and Avast! Pro (defs 131016-0 16.10.2013 or later) will prevent the virus from running.
For sysadmins in a domain environment, one way to prevent this and many other viruses is to set up software restriction policies (SRPs) to disallow the executing of .exe files from AppData/Roaming. Grinler explains how to set up the policy here.
Visual example. The rule covering %AppData%\*\*.exe is necessary for the current variant. The SRP will apply to domain admins after either the GP timer hits or a reboot, gpupdate /force does not enforce it immediately. There is almost no collateral damage to the SRP. Dropbox and Chrome are not effected. Spotify may be affected, not sure. I don't use it.
Making shares read-only will mitigate the risk of having sensitive data on the server encrypted.
Forecast: The reports of infections have risen from ~1,300 google results for cryptolocker to over 150,000 in a month. This virus is really ugly, really efficient, and really hard to stop until it's too late. It's also very successful in getting people to pay, which funds the creation of a new variant that plugs what few holes have been found. I don't like where this is headed.
Some edits below are now redundant, but many contain useful information.
9/17 EDIT: All 9/17 edits are now covered under Prevention.
10/10 EDIT: Google matches for CryptoLocker are up 40% in the last week, and I'm getting 5-10 new posts a day on this thread, so I thought I'd update it with some interesting finds from fellow Redditors.
  • soulscore reports that setting the BIOS clock back in time added time to his cryptolocker ransom. Confirmed that the timer extends with the machine offline, but that may be cosmetic and I don't like your chances of this actually helping if your timer runs out on the server side.
  • Spinal33 reports that AV companies are catching up with CryptoLocker and are blocking websites that are spawned in the virus's domain generation algorithm. This effectively means that some people are locked out of the ability to even pay the ransom. (Technically they could, but the virus couldn't call home.)
  • Malwarebytes is claiming that MBAM Pro will catch CryptoLocker. If someone wants to test them on it, be my guest. Confirmed
  • CANT_ARGUE_DAT_LOGIC gave some insight on the method the virus uses when choosing what to infect. It simply goes through folders alphabetically and encrypts all files that match the filemasks towards the top of this post. If you are lucky enough to catch it in the act of encrypting and pull the network connection, the CryptoLocker message will pop up immediately and the countdown will begin. Helpful in determining what will need to be taken into account for decryption.
EDIT 2: We had a customer that ignored our warning email get infected so I will have my hands on an infected PC today, hope to have some useful info to bring back.
10/10 MEGA EDIT: I now have an active CryptoLocker specimen on my bench. I want to run down some things I've found:
  • On WinXP at least, the nested SRP rule is necessary to prevent infection. The path rule needs to be %AppData%\*\*.exe
  • An alternate link to the virus sample is http://gktibioivpqbot.net/1002.exe
  • Once the program runs it spawns two more executables with random names in %userprofile%. Adding a SRP to cover %userprofile%\*.exe may be desired, though this will prevent GoToMyPC from running at a bare minimum.
  • This user was a local administrator, and CryptoLocker was able to encrypt files in other user's directories, though it did not spawn the executables anywhere but the user that triggered the infection. When logged in under a different account there is no indication that a timer is running.
  • The environment has server shares but no mapped drives and the shared data was not touched, even though a desktop shortcut would've taken the virus to a share. I suspect that will be covered in the next iteration.
  • The list of masks above does not appear to be totally complete. PDF files were encrypted and were not originally part of the set of file masks. That is the only exception I noticed, everything else follows the list. Conveniently (/s), CryptoLocker has a button you can click that shows the list of files it's encrypted.
  • The current ransom is $300 by MoneyPak or 2BTC, which at the time of writing would be $280 and change.
  • Fabian reported that registry data is stored at HKCU/Software/CryptoLocker. I cannot glean the meaning of the DWORD values on files but I do notice they are unique, likely salts for the individual files. I'm curious what purpose that would serve if the private key was revealed as the salts would be useless.
  • I have confirmed the message soulscore left that setting the BIOS timer back a few hours adds an equal amount of time. No telling whether that will work once it has a network connection and can see the C&C server, though.
  • The virus walked right through an up-to-date version of GFI Vipre. It appears AV companies either consider the risk too low to update definitions or, more likely, they're having trouble creating heuristic patterns that don't cause a lot of collateral damage.
10/11 EDIT: I ran Daphne on the infected PC to get a better idea of what might be going on. lsass.exe is running like crazy. Computer's had it's CPU pegged all day. I noticed the primary executable running from %AppData% has a switch on the end of the run command, which in my case is /w000000EC. No idea what that means.
10/15 EDIT: I just wanted to thank all the redditors that have submitted information on this. I have some interesting new developments that I'll be editing in full tomorrow.
10/18 EDIT: Hello arstechnica! Please read through comments before posting a question as there's a very good chance it's been answered.
New developments since 10/15:
  • We have confirmation that both Malwarebytes Antimalware Pro and Avast Free and Pro will stop CryptoLocker from running. My personal choice of the two is MBAM Pro but research on your own, AV Comparatives is a wonderful resource.
  • We have reports of a new vector of infection, Java. This is hardly surprising as Zeus was already being transmitted in this fashion, but Maybe_Forged reports contracting the virus with a honeypot VM in this manner.
  • zfs_balla made a hell of a first post on reddit, giving us a lot of insight to the behavior of the decryption process, and answered a frequently-asked question. I'm paraphrasing below.
A file encrypted twice and decrypted once is still garbage.
The waiting for payment confirmation screen stayed up for 16 days before a decryption began, so don't lose hope if it's been up a while.
The DWORD values in the registry have no bearing on decryption. Renaming an encrypted file to one on the list in the registry will decrypt it. However, I would presume this would only work for files that the virus encrypted on that machine as the public key is different with every infection.
Adding any new matching files to somewhere the virus has access will cause them to be encrypted, even at the "waiting for payment confirmation" screen. Be careful.
Hitting "Cancel" on a file that can't be found doesn't cancel the entire decryption, just that file.
EDIT 2: I've rewritten the bulk of this post so people don't have to slog through edits for important information.
10/21 EDIT: Two noteworthy edits. One is regarding Carbonite, which is apparently a viable backup option for this, it is covered under File Recovery. The other is regarding a piece of software called CryptoPrevent. I have not tried it, but according to the developer's website it blocks %localappdata%\*.exe and %localappdata%\*\*.exe which is not necessary for the current variant and will inflict quite a bit of collateral damage. I have no reason right now to doubt the legitimacy of the program, but be aware of the tradeoffs going in.
I'm now at the 15000 character limit. Wat do?
submitted by bluesoul to sysadmin [link] [comments]

The Gamble : Elixir (ELIX)

It's very rare that I will take a big gamble on an asset... Something would have to really catch my attention for me to even consider it. Keep in mind, I invest for the long-term which means everything I buy I plan to hold for years.. But when I look at Elixir, it's just too early to make a proper assessment.. The asset is no more than a few months old and many questions still remain unanswered. With that said, this is just my opinion and you should always research and come up with your own assessment before investing.
What is Elixir?
// Elixir is a lending service that rewards borrowers for paying off loan installments on time. Elix and the lender will also receive a portion of the rewards from a successfully completed loan.
It appears to me that the loan service would mostly cater to friends and family since you cant enforce a penalty if someone doesn't pay back a loan. In addition I think lending yourself Elixir and paying it off on time to earn more Elixir would be another primary incentive.
A Closer Look
For how new this asset is, I am actually pleased with the direction so far.. The communication via blogs and twitter indicates to me a team with experience in business management. Then again, that's just the perception.. we actually have no idea who the team members are yet.
What's to Come
Keep in mind even though Elix has videos demonstrating the lending service; there is no application available to the public yet. Looking at the Roadmap it seems 2018 would be the busy year for Elixir.
Understanding The Risks
Understanding the risks is one of the most important parts of investing. In this case, due to the lack of transparency this asset could very well be a scam.. For one thing, we have no idea who the team members are nor the country of origin. The code does not seem to be open-source (correct me if im wrong) and the whitepaper leaves out many details such as loan reward rates. We also must take into consideration that genesis pairs are probably held by a handful of people, perhaps mostly by the team members themselves.
A Positive Note
On the bright side we have an asset that has a lot of potential given it's not all smoke and mirrors. If Elixir shows great leadership and implements a successful marketing strategy, then we could see today's $1.44M market cap soar closer to it's competitors (like SALT). As of right now it's just too early to make a reliable assessment.
All in all, investing in Elixir is definitely a big gamble.. Even though it may appear that progress is being made, it could become abandoned at any time even if the team is anonymous or not. On the other-hand if Elixir delivers the results that users and investors are looking for, the returns could be quite substantial.
Remember this is just the reason why I think Elix is a gamble and only you can decide if it's one worth taking. Always do your own research and come up with your own assessment before investing. I think 2018 will be the biggest year for crypto and I wish the Elixir team the best of luck. They'll need it.
Regards,
BTC2018
ELIX Token / Stats
Those who obtained genesis pairs during the air drop can currently mine Elixir. (10 batches per pair)
So far 43.9% of the batches have already been mined leaving 23,056 batches remaining.
Batches will increase in size over 10 years. (Max batch size: 5000 Elix)
Since 43.8% of the batches have already been mined that means the final supply of Elixir will be between 53.1 million and 137.4 million. The final supply depends on how long genesis holders decide to wait before they mine the remaining batches.
NOTE: Avoid market impact! The inflation rate on Elix I noticed is quite high and the liquidity is low. I will also mention I don't think Final supply = Total supply if completed loans also reward Elix. And no, I don't have any genesis pairs but I do hold Elix.
submitted by BTC2018 to elixirtoken [link] [comments]

SGAT, THE NEW ECOSYSTEM ANSWERING TO YOUR DECENTRALIZED PROJECTS

SGAT, THE NEW ECOSYSTEM ANSWERING TO YOUR DECENTRALIZED PROJECTS
SGAT, THE NEW ECOSYSTEM ANSWERING TO YOUR DECENTRALIZED PROJECTS
A powerful blockchain for decentralized applications and tailor-made smart contracts
One observation, one inconsistency: administered contracts have not kept up with the economy’s
digital transformation. All the transactions recorded, which yet determine our economic, legal and
political systems, suffer a delay that has an impact on the control of identities, the reporting of major
events, exchanges among nations, companies and other communities, even individuals. Because
challenges of security and transparency are more than ever those of digital economy, it is necessary to
prepare the foundations for tomorrow's transactions. In a digital world, the way we regulate and
maintain administrative control has to change. Blockchain promises to solve this problem.
It is to accompany these historical changes that SGAT created its own blockchain, which offers all the
reliability, confidentiality and security nowadays necessary for smart contracts. And by developing in
parallel an applicative overlay that will allow the configuration of these smart contracts without
modification of the blockchain code itself, SGAT will offer tailor-made solutions for all markets.
Project Details :
A new smart contract environment remote from the blockchain but certified by it: a blockchain
focusing on confidentiality, combined with smart contracts applications. SGAT smart contracts certify
enforceability; they are entrusted in a private entity with the prerogatives of blockchain technology.
This online service will serve as trusted third party and will be adaptable to many sectors via predefined
or custom templates. It is the missing chain between what blockchain aspires to by bringing
confidence, and the universe full of legal constraints. Society collapses under the weight of regulatory
constraints. The law sector accounts for more of the GDP than aeronautics. Global legal pressure
brings even greater challenges and increasingly complicated contracts.
The existing smarts contracts do not promise any possibility of anonymity, they are reserved for
developers but not applicable in the business industry. SGAT offers an online environment to ensure
trust between parties involved in an agreement via legally certified and tailor-made smart contract
templates.
Website: https://www.sgat-technologies.com/
BitcoinTalk : https://bitcointalk.org/index.php?topic=4421668.0
Whitepaper : https://www.sgat-technologies.com/frontend/pdf/WHITE_PAPER_EN.pdf
Telegram: https://t.me/sgatcoin
Github: https://github.com/sgat-technologies/sgat
Twitter: https://twitter.com/sgatcoin
Instagram : https://www.instagram.com/sgatcoin/
Medium: https://medium.com/@sgatcoin
LinkedIn : https://www.linkedin.com/company/sgat-technologies
Facebook : https://www.facebook.com/Sgatcoin/
Youtube : https://www.youtube.com/channel/UCItt9quglfpwvEi-mCenBqQ
TOKEN SALES :
01 PRIVATE PRE-SALE / KYC REQUIRED
Private pre-sales hardcap : up to 500,000 €1 € = 1 SGAT + 30 % bonus (minimum participation of 500 €)
Private pre-sale in progress. Registration required
02 PUBLIC PRE-SALE / KYC REQUIRED
Public pre-sale hardcap : up to 1,000,000 €1 € = 1 SGAT + 15% bonus (minimum participation of 200 €)
Public pre-sale event will begin on July 8th 2018 or as soon as the hardcap is reached for the private pre-sales
03 PUBLIC SALE ICO / KYC REQUIRED
Public sale hardcap : 5,000,000 €1 € = 1 SGAT, no bonus (minimum participation of 100 €)
Public sale will follow right after public pre-sale once harcap is reached
submitted by Shirco to SGAT [link] [comments]

JavaScript for Web Designers - YouTube Blockain Bitcoin Payments - using PHP and blockchain API v2 Bitcoin: Beyond The Bubble - Full Documentary - YouTube The Millionaire Investing Advice For Teenagers - YouTube ¿Qué es el FrontEnd y BackEnd? 2019

Role: Frontend Developer Industry: Computer Software, Financial Services, Financial Technology ... php rest api-design rpc bash. Job description . By joining Kraken, you’ll work on the bleeding edge of bitcoin and other digital currencies, and play an important role in helping shape the future of how the world sees and uses money. At Kraken, we constantly push ourselves to think differently ... Bitcoin Pool Frontend Website. Budget €750-1500 EUR. Freelancer. Jobs. Graphic Design. Bitcoin Pool Frontend Website. Hi, for this project it's needed that you heard about Bitcoins and altcoins. You don't need technical Know How about cryptocurrencies. For further information please read the Concept.pdf. Regards. Skills: Graphic Design, HTML, PHP, Website Design. See more: technical concept ... From Bitcoin Wiki. Jump to: navigation, search. A frontend connects to a running client (for example via JSON-RPC) to provide a user interface for it, it does not implement the bitcoin protocol itself. See Also . Clients; Mobile; User Interfaces; JSON-RPC API Reference; Subcategories. This category has only the following subcategory. A. API Bindings; Pages in category "Frontends" The following ... Bitcoin JavaScript (frontend) & PHP (backend) payment system - robclark56/bitcoinPay-PHP Board index Bitcoin Programowanie i wdrożenia; Front-End Developer HTML, PHP, CSS. 12 posts • Page 1 of 1. BTC-m. Początkujący Posts: 208 Joined: 2017 6:54 pm. Reputacja postu: 0. Napiwki za post: 0 BTC ...

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JavaScript for Web Designers - YouTube

Robert Kiyosaki has a sit down with Patrick Bet-David to talk the economy, the coming market crash and how to prepare for it. Order Who Stole My Pension http... Channel Owner: Siddhant Jain (known as SidTalk from Bhopal, MP). Channel Goal: Information should be explained in such a way that even a kid can understand. ... Chaine d'information Sans Limites TV éditée par le Groupe GSL Communication, Ouest Foire Dakar ( Sénégal ) Directeur de Publication : Yankhoba SANE SERVICE C... For anyone who wanted a video about how to invest as a teenager, or what to do when you turn 18 years old - here is that video, enjoy! Add me on Instagram: G... In this course, you’re going to learn the basics of JavaScript from a web designer’s perspective. We’ll begin by going over the basics, such as JavaScript varia...

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