Tag：block
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Time：2021-7-30
FISCO BCOS open source community official account dialog box to restore Digitalization for speech material Digital transformation is one of the core driving forces of domestic economic growth and industrial development. According to the white paper on the development of China’s digital economy in 2020 issued by the Chinese Academy of information and communications, the […]
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Time：2021-7-29
Introduction:Flink meetup of Shanghai station shares content and how to build a data Lake Ecology Based on Flink, object storage and iceberg. This article is compiled from iceberg and object storage building data Lake scheme shared by Sun Wei, senior software R & D Manager of Dell technology group, in Flink meetup of Shanghai station […]
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Time：2021-7-28
Today, I will talk about the IPFs / filecoin token distribution economic model (miners’ income). Many articles on the Internet have introduced the economic model, but they have talked about a lot of professional terms. Xiaobai or IPFs miners who have just come into contact do not know what is related to their own interest […]
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Time：2021-7-25
Smart contract is equivalent to a small program deployed and running on the blockchain node. In order to access the functions of the contract, the front-end web page can be accessed directly through ether JS or Web3 JS class library through RPC Protocol. The figure above shows the basic process of web call contract. React […]
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Time：2021-7-21
Chaohua blockchain is coming. In each issue, we will invite a technology leader or application pioneer to share the blockchain technology practice and industry application cases, and the whole sharing will be conducted by live video. On June 17, at 8 p.m. on Thursday, the community invited Chen Chao, technical director of Shenzhen Hanlan blockchain […]
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Time：2021-7-16
1、 Nginx installation Centos6. X Yum has no nginx package by defaultInstallation method:Go to nginx download pagehttp://nginx.org/en/linux_pac…, copy the nginx software source installation package of CentOS 6Run command: WGethttp://nginx.org/packages/cen… Install the RPM package Yum install nginx-release-centos-6-0.el6.ngx.noarch.rpm – Y. in fact, this step only adds the software package source of nginxExecute Yum install nginx – y […]
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Time：2021-7-15
When we decided to open source many years ago, we were very excited: as a typical coder, “using” open source is everyday, but it is the first time for most of us to devote ourselves to “doing” open source. We also thought naively: “open source” can have how difficult?! It’s just to let out the […]
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Time：2021-7-9
The reason for the mechanism of pow to POS is that the computing power of the whole network grabs a block at the same time, resulting in a lot of waste of computing power and low efficiency of data processing. After the implementation of eth2.0, it will take the form of pledge. Dappnode can set […]
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Time：2021-7-8
If you’re interested in swarm and want to know what it can do for Ethereum developers, you’re in the right place. Blockchain is currently the No.1 technology in LinkedIn, so you must learn more about Ethereum and master cryptocurrency comprehensively. Now let’s talk about: what is swarm and why is it useful for Ethereum developers? […]
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Time：2021-7-6
If you’re interested in swarm and want to know what it can do for Ethereum developers, you’re in the right place. Blockchain is currently the No.1 technology in LinkedIn, so you must learn more about Ethereum and master cryptocurrency comprehensively. Now let’s talk about: what is swarm and why is it useful for Ethereum developers? […]
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Time：2021-6-26
Title: NFT and metaverse in my understandingBy Vincent, founder of dapppreview Almost three years ago, I wrote an article “talking about blockchain games that you don’t understand at all” to sort out some brain holes and ideas that can be thought of at that time point as far as possible. At that time, we talked […]
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Time：2021-6-23
Transfer-EncodingIt’s aHTTPHeader field, which literally means “transmission code“. actually,HTTPThere is another header related to coding in the protocolContent-Encoding(content coding).Content-Encoding It is usually used to compress and encode entity content to optimize transmission. For example, using gzip to compress text files can greatly reduce the volume. Content coding is usually selective, such asjpg / pngThis kind […]
