Tag：Account book
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What is NFT?
What is NFT? I have a young friend who recently bought a digital art, started with more than 900, sold it a few weeks later, and made more than 70000. He told me that this thing is called NFT.In 2021, twitter founder Jack Dorsey sold his first tweet for $2.5 million through NFT. It looks […]
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Wechat official account DIY: mongodb simple ORM & official account database design
First two articlesWechat public account DIYSeries: Wechat public account DIY: build wechat chat robot in one hour Wechat public account DIY: training chat robot & public account transformation image upload tool This paper introduces how to use the build & train chat robot, and how to make the public account support image upload to qiniu, […]
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Blockchain-1 understanding
Blockchain conceptBlockchain technology uses blocks to record daily accounts. (the first block of bitcoin – Genesis block)Alipay’s Xiang Bao Bao uses ant block chain technology. Advantages of blockchainDecentralized, safer distributed system Maintain a public ledger through the Internet, which is composed of more than two nodes. The nodes are independent and can communicate with each […]
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[virtual machine column] Application of rust smart contract
[introduction] In previous “the past and present life of smart contract execution engine” and “familiar new friend – chain JVM”, we introduced the origin of smart contract and the self-developed execution engine HVM that can execute Java smart contract. Although the performance of HVM has been greatly improved compared with EVM, due to the large […]
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Summarize the theoretical analysis of what is public chain, private chain, alliance chain, cross chain and side chain
What are public chain, private chain, alliance chain, cross chain and side chain What do these various chains mean? Let me popularize it for you:These blockchains have their own characteristics and different application scenarios. Public chain Public chain refers to a blockchain in which anyone in the world can enter the system at any time […]
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Building the cornerstone of trusted interconnection of all things, it will take you to deeply analyze the key technologies of blockchain cross chain. It is full of dry goods!
[Abstract] I’m sure you know what blockchain is. Do you know the cross chain technology of blockchain? This paper will make an in-depth analysis from the origin and development of blockchain cross chain technology, related terms, key technologies and model implementation. It is full of dry goods! 1. Birth background and development history of blockchain […]
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Basic knowledge of hyperledger fabric
Basic knowledge of hyperledger fabric In this article, we will introduce the basics of hyperledger fabric and learn how to make full use of this multi-functional blockchain framework. Blockchain technology provides abundant opportunities for innovation. It provides a new way of transaction, which can fundamentally change the realization of business. So, among the numerous blockchain […]
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Six features of fabric
What is hyperledger fabric In order to meet the needs of modern business, IBM cooperated with other companies to develop an open-source business blockchain framework called hyperledger fabric, which can be put into production immediately ™ , which is one of eight hyperledger? Projects hosted by the Linux foundation. Hyperledger fabric is widely used to […]
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Python interview summary (1)
background Record the first interview, after three days of resume delivery, finally a small company is willing to give an opportunity to interview, feel excited to tears, but to start, heart or shiver, heart and faint expectation, is the kind of friendly company, willing to give the opportunity, the best to ask is their carefully […]
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Alliance chain and hyperledger fabric
Link to the original text: http://tabalt.net/blog/consor… Alliance chain and hyperledger fabric tabalt 2019.11 Alliance chain What is alliance chain? According to the different degree of decentralization, three kinds of blockchains in different application scenarios are differentiated Public chain: the whole network is open, and the majority of users can participate in it Alliance chain: it […]
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Here comes the blockchain book list you want!
Click the blue “programmer book list” to follow me Add a “star sign” to take you to read good books every day! Blockchain series book list Illustration of blockchain content validity Blockchain, as sophisticated as a Swiss instrument and as shocking as the Internet, is subverting society with a divine rhythm. When emerging […]
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A simple and complete mall yii2 + Vue first update
We have been improving the project intermittently, sometimes because we are busy, sometimes because we are lazy, so the progress is very slow. This is my first open source project. There are many shortcomings, But I will continue to do it, so no matter how fast or slow, I will keep updating. 1、 Add & […]