Articles about Blockchain Technology

Plasma: Ethereum chain scalability framework combat part 1

There are two general methods for extending blockchains, the first and second layer solutions. The former is a so-called chain scalability solution, and the protocol level of the base layer and the blockchain network is reconstructed from the bottom layer, such as fragmentation and the conversion protocol (PoW to PoS) in Ethereum 2.0. Although the […]

Technical Guide | Web3.js is based on the Ethereum Javascript API

Web3.js is a collection of libraries that you can use to connect to a local or remote Ethernet node using HTTP or IPC. The web3 JavaScript library can interact with the Ethereum blockchain. It can retrieve user accounts, send transactions, interact with smart contracts, and more. Version : 1.0.0-beta.36 Web3.js API type Eth : Etherum […]

Some science about Ethereum 2.0

Ethereum 2.0 At the beginning of March, after the “Istanbul” upgrade, Ethereum officially “quiet” stage. "Silence" is also recognized as the 2.0 version of Ethereum, because the Ethereum in the "quiet" stage will switch to the proof of equity (POS algorithm) to reach a consensus, in addition, the fragmentation technology will also be fully online, […]

How is practical programmability implemented in the securities pass?

Recently, someone asked me what is the most interesting function of the securities pass. The author's answer is only one word: programmability. The author firmly believes that programmability is the key to the future development of securities pass, and truly separates encrypted securities from previous financial industry activities. However, implementing programmability in cryptographic securities is […]

Decred technical white paper Chinese version

Two years ago, I took the time to translate the technical white paper of Decred. The original address is: https://decred.org/dtb001.pdf. The Chinese version was published in the Chinese community of Decred. Decred is the world's first PoS/PoW based hybrid. The blockchain project of the consensus engine. Recently, after investing in and incubating the blockchain project, […]

Elliptic Curve Cryptography & Workload Proof

Most cryptographic assets use an elliptical curve identical to Bitcoin, called secp256k1. This makes it possible to reuse Bitcoin's many elliptic curve libraries and tools. Elliptic Curve Cryptography (ECC) is a public key encryption algorithm based on elliptic curve mathematics. The following figure shows that most cryptographic assets use an elliptic curve identical to Bitcoin, […]

Technical Guide | Ethereum Wallet Development: Generate Account Address, Private Key, Keystore, mnemonic

First, use web3 to connect to the Ethereum network (test network, main network) 1. What is web3 Web3 is a module provided by Ethereum to connect to the Ethereum blockchain, allowing you to interact with local or remote Ethereum nodes using HTTP or IPC, which includes almost all the features of the Ethereum ecosystem. The […]

Restoring the entire process of asset transfer: $6.02 million stolen from the DragonEX exchange

In the early morning of March 24th, Beijing time, the DragonEX exchange issued a notice stating that its platform digital assets were stolen, and called on all parties to jointly block hackers. It can be learned from the announcement that more than 20 kinds of mainstream virtual currency assets such as BTC, ETH and EOS […]

Popular Science | Hash Function Brief

Hash functions are an integral part of blockchain technology and can be used for a variety of purposes. It is a mathematical function that accepts input of any given length and produces a fixed length output. The output is usually called a hash value, a (hash) digest or a hash. There are many hash functions, […]

The first long-term supported version, Hyperledger launches Fabric v1.4 LTS

Recently, Hyperledger (superbook) has launched a new version of Fabric v1.4 LTS, this version is its first long-term support version (Note: Extended Support Release – "ESR", is Mozilla specifically for those who can't or not For those who want to upgrade every six weeks, for those who care about the alliance chain and technology, you […]