The workload proves that mining

... in the "block" section briefly explains the concept of block difficulty. The algorithm that gives the block difficulty is called the proof of work (PoW). Ethereum's workload proof algorithm is called "Ethash" (formerly known as Dagger-Hashimoto). The algorithm is officially defined as:...


[21-day transformation blockchain] DAY15

... Bank-based account sharing based on blockchain identity Inter-bank account demo system architecture and business introduction This section creates a new bank demo (based on FBFT consensus algorithm) The previously created service can be deleted. After the deletion, the cluster can...


One of the core technologies of blockchain (consensus algorithm)

... 开篇# As an IT technical worker and a related practitioner in blockchain, when it comes to blockchain technology, it will unconsciously think of cryptography. , P2P protocol, distributed storage, and consensus mechanisms. Since the first three are relatively mature technologies both in...


[21 days transition blockchain] DAY13

... blockchain operation and maintenance management 弹性云服务器boot, cluster wakeup 1, peer expansion blockchain service selection service management Click on the marbles details, expand the point after org1, adjust the number of instances to 3, click OK peer to expand the completion 2, view the...


India can't be the next world factory, Vietnam can be

... 文|余凯文 源|Xiaoxiang Finance (XiaoxiangFin) 2001 China's total exports are US$266.1 billion, ranking sixth in the world At that time, it was only equivalent to 34% of US exports, 49% of Germany, and 56% of Japan. In 2013, it reached $220.9 billion and was called the world's new factory by...


5 years old hands practical combat summary 10 kinds of most suitable for people in the circle to do blockchain to make money "to

... 前言 There are many people are scrambling to join the currency circle, there are many investors to start investing in the block chain. Now you can ask yourself a question, why join the blockchain industry? Maybe you and 90% of the people have the same answer, because you saw Lao Zhang,...


Ethereum wallet quickly get started

... 简介 This article mainly introduces the popular MetaMask wallet installation and use, which is very suitable for beginners to get started quickly. Install Chrome browser installation Win for example, click here to install MetaMask plugin installation Click here to download 解压 the above...


Bitcoin ABC Chief Developer: BCH should not fork in the near future

... Bitcoin ABC Chief Developer: BCH should not fork in the near future At yesterday's coindesk consensus conference in Singapore, Amaury Sechet, chief developer of Bitcoin ABC, said: “Every time a cryptocurrency break occurs, it leads to the loss of network effects in the original...


The future of Quspeed: The airline was hacked and leaked 380,000 customer information detailed analysis

... REVIEW: British Airlines disclosed that it was hacked, and about 380,000 customers paid credit card details were stolen. British Airways said in a statement on Thursday: "We are urgently investigating customer data incidents stolen from our websites and mobile applications." Although...


[Eaiba] [development environment construction] testrpc test environment

... [testrpc Ethereum blockchain development environment] 一, install truffle+testrpc development and test environment. Truffle is the development environment and testrpc is the test environment. 1, git add-apt-repository ppa:git-core/ppa apt-get update apt-get install git 2, nodejs...