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Facebook was long-rumored to introduce its own cryptocurrency. Now, stepping into the all-new crypto world, Facebook has finally made its Libra Cryptocurrency official. The Mark Zuckerberg-owned company has launched its cryptocurrency wallet called Calibra for its Libra cryptocurrency, based on blockchain technology. The aim of launching a new digital crypto wallet is to allow users […]
The definition of a node can vary greatly depending on the context in which it is used. When it comes to computer or telecommunications networks, nodes can offer different goals, acting both as a point of redistribution and as a final point of communication. Typically, a node consists of a physical network device, but in […]
Digital currency, which is protected by cryptography and is usually used as a medium of exchange in a digital peer-to-peer (P2P) economic system is called cryptocurrency. The use of cryptographic methods is what provides complete protection for these systems against fraud and counterfeiting. The first cryptocurrency that was ever created was Bitcoin, presented by the […]
Since the advent of Bitcoin in 2008, many other cryptocurrencies have been created as a peer-to-peer electronic money system, each of which had a specific mechanism. But one thing that almost all cryptocurrencies have is the blockchain, as the main element of their architecture. With few exceptions, blockchains are specifically designed for decentralization, operating as […]
In 2013, a document for Ethereum was written by Vitalik Buterin. This document describes an open distributed computing platform, accessible to the blockchain, which can execute smart contracts: applications that work exactly as planned, without any possibility of downtime, censorship, fraud or third-party interference. Ethereum allows developers to create and implement smart contracts, as well […]
The Proof of Stake consensus algorithm was introduced in 2011 on the Bitcointalk forum to solve the problems of the currently most used algorithm: Proof of Work. Although both have the same goal of reaching consensus in the blockchain, the process to achieve the goal is completely different. How does it work? The Proof Of […]
Before plunging into the 51% attack, it is very important to have a good knowledge of mining and blockchain based systems. One of the main strengths of Bitcoin and the underlying blockchain technology is the distributed nature of data collection and verification. The decentralized functioning of the nodes ensures compliance with the rules of the […]
Originally dated in 1993, the Proof of Work concept was designed to prevent denial of service attacks and other abuses of services such as network spam, requiring some work for the service user, which usually means time for computer processing. In 2009, Bitcoin presented an innovative way to use Proof of Work as a consistent […]
The ideas behind the blockchain were conceived back in 1991, but it was not until 2009, when Bitcoin was developed, that more attention was paid to this technology. Bitcoin was created by a person or group of people under the pseudonym Satoshi Nakamoto. Although Satoshi Nakamoto still doesn’t know for sure, their technological innovations have […]
A smart contract is computer software developed as an auto-fulfillment contract, which means that it starts certain actions after the predefined conditions have been met. A Smart contract can be used, for example, as digital agreements that interfere with the exchange of cryptocurrencies (or any other digital resource) between two parties. As soon as the […]
A genesis block is the first block ever recorded in its corresponding blockchain network, also sometimes referred to as Block 0 or Block 1. When a block is transferred to a blockchain, it refers to the previous block. However, in the case of a genesis block, the previous block is missing. Since there is no […]
The Merkle tree is a way to organize and structure large amounts of data to simplify processing. In the case of cryptocurrencies and blockchains, the Merkle tree is used to structure transaction data so that it does not require large resources. When a cryptocurrency transaction is executed in a Merkle tree, it is hashed and […]
A new bill is being drafted by the government of India that could leave people who deal with cryptocurrency in jail for 10 years. The draft, titled “Banning of Cryptocurrency and Regulation of Official Digital Currency Bill 2019” was first reported by the Economic Times in April. Later, a Bloomberg Quint report (paywall) last week […]
Do you use the Komodo Agama wallet to store your KMD and BTC cryptocurrencies? Have your funds been illegally transferred to a new address overnight? If so, don’t worry, it’s probably safe, and if you’re lucky, you’ll get your money back. This is exactly what happened… Komodo, a cryptocurrency project and developer of the Agama […]
Facebook’s cryptocurrency plans are gaining more traction as the days pass by, at least, according to the news headlines. It got a couple of names like Libra and GlobalCoin. Past reports have suggested that the new blockchain-based money won’t arrive until 2020. But according to The Information, the blue network could unveil its much-hyped cryptocurrency […]
Apple will focus on encryption tools like Cryptokit for the developers of the Worldwide Developers Conference (WWDC) this year in 2019, which the company announced in the program of events for June 5. During a scheduled session on Wednesday called “Cryptography and Your Applications”, Apple will introduce a new tool called “CryptoKit”, which will debut […]
Are you a cryptocurrency enthusiast and loves watching Youtube videos about Bitcoins and other cryptocurrencies? If yes, then be very alert about Youtube channels you visit. Youtube, being the home of millions of content creators and online video consumers is teeming with scammers and phishers. Google has for quite some time is now actively taking […]
Researchers have detected a campaign in which compromised docker hosts use Shodan for carrying out cryptocurrency mining. Hackers scan for Docker hosts with exposed APIs and use them for cryptocurrency mining, which is done by deploying malicious self-propagating Docker images that are infected with Monero miners and scripts which use Shodan for finding vulnerable targets. […]
Bitcoin is slowly picking up the pace and is recovering from a steep downfall that started at the beginning of 2018. One of the most popular cryptocurrencies, Bitcoin, is currently trading at $8,730, falling a few dollars below the day’s all-time high value of $8,785. According to Naeem Aslam, Chief Market Analyst at Think Markets […]
Chinese hackers and secretly exploited more than 50,000 MS-SQL and PHPMyAdmin for TurtleCoin as part of a large-scale crypto hacking campaign called Nansh0u. The campaign was discovered in early April and began on 26 February. It focused on servers around the world, including companies from different sectors, with more than 700 victims a day. According […]
Of all the cryptocurrencies available today, Bitcoin definitely is the most popular one. Investors are attracted by the potential value of this cryptocurrency. But let’s remember that whatever gets popular on the internet draws the attention of cybercriminals as well. Thus, Bitcoin, because of its popularity and also because of its potential value, does attract […]