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Welcome to the blockchain community!

| All the best videos about blockchain
 
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How To Create An Ethereum Smart Contract

 
 
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VIDEO

How Bitcoin Works in 5 Minutes (Technical)

A short introduction to how Bitcoin Works.
 
 
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Verge Cryptocurrency Under 51% Attack Due to Timestamp

There is a reported >51% attack in the Verge(XVG) cryptocurrency due to a bug in the timestamp handling code. The attack is said to have resulted in the theft of between 250000 and 3.9 million coins depending on who's numbers you take.
 
 
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VIDEO

Mining Bitcoin with pencil and paper

Bitcoins are mined using a cryptographic algorithm called SHA-256. This algorithm is simple enough to be done with pencil and paper, as I show in this video. Not surprisingly, this is a thoroughly impractical way to mine. One round of the algorithm takes 16 minutes, 45 seconds which works out to ...
 
 
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VIDEO

Edward Snowden Interview with Peter Van Valkenburgh of Coin Center | Blockstack Berlin 2018

Edward Snowden: Former U.S. Intelligence Officer Peter Van Valkenburgh: Coin Center, Director of Research
 
 
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VIDEO

Setting up a Raspberry Pi3 for Crypto-mining (Verium)

Timestamps: Links: Wallet:
 
 
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Monero Miner Hiding as Scarlett Johansson Image

A malicious cryptominer attack disguising itself as a Scarlett Johansson Image has been discovered.

The attack targets PostgreSQL servers and analyzes the victim's GPU prior to installing the Monero Cryptominer.
 
 
videos
VIDEO

Verge Currency Hacked | Timestamp Bug |

The Macaffee pumped coin Verge aka XVG is under a 51% attack due to a time spoof bug. Source:
 
 
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VIDEO

Stolen Bitcoin Tracing - Computerphile

When bitcoin is spent, remainders are re-encoded & combined - how do you separate out any ill-gotten gains from the legitimate hard-earned lucre? Outlining his team's solution: Professor Ross Anderson of the Computer Laboratory, University of Cambridge. Why Bitcoin isn't cash: Com...
 
 
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VIDEO

Ever wonder how Bitcoin (and other cryptocurrencies) actually work?

Bitcoin explained from the viewpoint of inventing your own cryptocurrency.
 
 
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ComboJack Malware Redirects Cryptocurrency Payments

A strain of malware has been found to monitor clipboards for cryptocurrrency payment addresses, swapping them for addresses controlled by the malware author.

The development follows the behavior of the CryptoShuffler malware discovered by Kaspersky in October 2017.
 
 
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VIDEO

Why Bitcoin Is Not Working

Overview of Bitcoin, the problems it solves and some of the problems it creates.
 
 
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VIDEO

Nobody likes knockoffs. Crypto-anchors and blockchain will unite against counterfeiters.

 
 
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Cryptomining Behind Most Remote Code Execution Attacks

Cyber security firm Imperva claims in a February 20, 2018 blog post that the goal of 90 percent of remote code execution attacks in December 2017 is cryptomining malware or cryptojackers.

Many of the cryptominers are mining Monero as it can be mined with a regular CPU.

 
 
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Bitcoin Exchange Reverses $20 Trillion in 0 Dollar Purchases

According to Reuters, the Zaif cryptocurrency exchange, operated by Osaka-based Tech Bureau Corp., saw the brief glitch last week which enabled traders to make crypto purchases for free.

The exchange announced on Feb. 23 that the incident had occurred on Feb. 16, and stat that seven customers had obtained cryptocurrencies at zero cost.
 
 
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Venezuela Raises 735 Million in 'Petro' Cryptocurrency Launch

In an attempt to skirt U.S. sanctions, Venezuela President Maduro is hoping that the petro cryptocurrency will bring relief from the hyperinflation in the bolivar currency of their socialist economy.

The petro is designed to be backed by 1 barrel of Venezuelan crude oil.
 



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