Blockchain

China blockchain technology and application development White paper (2016) China blockchain technology and Industry Development Forum set up and the first developer conference held on October 18, the conference issued the "China Blockchain

Interpreting blockchain, soft fork and hard fork Recently in the Exchange Group and the forum often hear soft fork and hard fork, at first, this concept is simply considered to be a blockchain software upgrade after the old and new protocol caused

Reliability Comparison The reliability of blockchain mainly investigates three aspects of blockchain network, shared ledger and account system. (a) Blockchain network: Commercial blockchain A, commercial blockchain B, fabric are network

Open source: Name Public Knowledge algorithm Fit scene Development language Smart Contracts Tps Bitcoin 1.0 POW Public chain C++ Whether 7 Ethereum ETH 1.0 POW Gang

The point-to-point (peer-to-peer) communication of fabric is built on a stream-based message grpc that allows bidirectional flow. It uses protocol buffers to serialize the data structure that is transferred between peer. Protocol buffers is a

Preface Blockchain development is really fast this year. From the first unfamiliar concept, to now has started in various industries, a spark of great prairie fire. I wish I could have my own blockchain practice practiced hand O (∩_∩) o~. But a

Since the last few weeks to publish the blockchain exam, many people ask Elwin standard answer, I here to provide my answer, provide reference for everyone. If you have different answers, please leave a message or tweet to me (Weibo.com/elwingao)

Why you want to learn blockchain technology development. Before you answer this question, you need to point out: Blockchain is now an over-valued area, and these overvalued values are unsustainable and will certainly collapse. Such bubbles have

The app/cli sends a INSTANTIATE/INVOKE request to the specified endorser node, and after endorser receives the request, if the relevant chaincode exists, the request is sent to The Chaincode side, and executes the correlation function (because the

record the pits encountered in contract development first, the transaction has not been broadcast Problem: The contract is able to read and write data on the online compiler remix, but fails to write the data on the local private chain and does

One, single choice (5 points per topic, total 40 points) 1, encrypted digital currency if set too short confirmation time will be more likely to cause what appears. A. High efficiency B. inefficiency c. solitary block D. Double Flower 2. If a

1: Blockchain and cloud computing Blockchain technology development, research and testing work involving multiple systems, time and capital costs and other issues will hinder the breakthrough of blockchain technology, software development based on

April 19, the blockchain media Gyro financial official online app, according to the official news, Gyro Financial app is currently the first in China based on the EOS eco-research and development of the blockchain media platform, and has been

a three-step guide to rapid understanding of blockchain technology. Since the year after, the small series has been asked by N small partners "what is blockchain." The For this problem, different people may have different answers. In Dr. Xiaofeng'

Original address: http://tech.ifeng.com/a/20180217/44881925_0.shtmlThe concept of blockchain (blockchain) is becoming more and more hot because of the flourishing of virtual currencies such as Bitcoin, which in fact can be used in many other fields

IntroductionBlockchain technology is a more revolutionary technology than artificial intelligence, artificial intelligence is only to improve human productivity, and blockchain will change the production relations of human society, it will subvert

The ping method with pending is addressed before the pending is waiting for a reply. Here the code to analyze is how to implement waiting reply.The pending method sends the pending structure to addpending. Then wait for the message to be processed

Introduction to interest causes touch the hot block chain field and tidy up the concept.I start with the concept of a hash functionf (x) = yA function that accepts input values, a hash function that requires input data/numbers/files to output a hash

Development of OTC Fiat Point-to-point system in blockchain-centric technology developmentFiat Exchange allows users to convert fiat to digital assets, because of the local banking regulatory regulations, generally fiat exchanges can trade more

Enter eth. accounts on the command line to view the number of accounts in the blockchain and the Public Key address of each account. In the ETH system, a State is composed of an object called an "account" (each account consists of a 20-byte address)