BlogHide Resteemshahawahaha (64)in mapreduce • 4 years agoMapreduce execution processMapreduce execution process One of the core ideas of Hadoop is mapreduce (distributed computing framework). Introduction to MapReduce MapReduce is a distributed computing model proposed by…hahawahaha (64)in blockchain • 4 years agoBlockchain application scenario: supply chain financeContent Traditional single-point financing in the supply chain In general supply chain trade, all companies involved in the procurement, processing, assembly and sales of raw materials…hahawahaha (64)in heco • 4 years agoTwo-pronged approach between Heco mainnet and fundsContent The mainnet of Huobi Eco-Chain Heco was officially launched on December 21. The official announcement stated that Heco will provide fee subsidies based on the caller's HT holdings, and can…hahawahaha (64)in digital • 4 years agoDigital heritageContent Finally, let me mention the application of digital heritage. When the old man is alive, of course, he hopes to have full control of his own property. Once the password is handed over to…hahawahaha (64)in multi • 4 years agoThe status quo of multi-signatureContent Today, more than 65 million bitcoin transactions have used multi-signature technology, most of which use P2SH. This shows that P2SH has played a vital role in the process of…hahawahaha (64)in mixed • 4 years agoMixed currency guidelinesContent Uniform transactions The number of bitcoins initially entering and exiting from the mixing process must be the same Minimize the consistency of the association: the transaction value in…hahawahaha (64)in verify • 4 years agoVerify ownershipContent Verify ownership Little A wants to verify whether Little B knows the safe password, but Little B does not want Little A to see the safe password: Little A stands in the distance;…hahawahaha (64)in wbtc • 4 years agoHow WBTC works?Content As introduced on the official website, to receive WBTC, users apply for tokens from the merchant, and then the merchant executes the required KYC/AML procedures and verifies the user's…hahawahaha (64)in btc • 4 years agoThoughts on Bitcoin"Decentralization" in technology is not the same as "decentralization" in reality. A large number of bitcoins in the world may be controlled by a very small number of hundreds of people. These…hahawahaha (64)in eos • 4 years agoeosThe goal of EOS is to become a decentralized operating system that can support industrial-scale decentralized applications. EOS was created by Dan Larimer (the creator of BitShares and Steemit) and…hahawahaha (64)in token • 4 years agoToken model and resource usageBoth instantaneous use and long-term use of these two types of components consume bandwidth and computation. The blockchain system will maintain a log of all messages, which will be downloaded and…hahawahaha (64)in eos • 4 years agoEOS backgroundSummary EOS.IO software introduces a new blockchain architecture, which aims to achieve performance expansion of decentralized applications. By creating an operating system-like structure, various…hahawahaha (64)in raft • 4 years agoRaft and ZABThe Raft and ZAB agreements divide Multi Paxos into three sub-problems: Leader Election Log Replication Safety In the process of leader election, roles are also redefined: Leader…hahawahaha (64)in pbft • 4 years agoPerformance bottleneck of pbftContent Why do I need 2f+1 messages (including myself and others) to judge the prepare certificate and commit certificate Since we assume N=3f+1, Q=2f+1. See above about Quorum Performance…hahawahaha (64)in fault • 4 years agoFault toleranceIn the LO blockchain with 3f+1 (also applicable to 3f+2 or 3f+3), it has the fault tolerance performance of f nodes. When the number of error nodes is less than or equal to f, the error node does…hahawahaha (64)in polkadot • 4 years agoPolkadotContent Polkadot consists of a Relay Chain and several Parachains, as well as Bridges for heterogeneous chains. Relay Chain is responsible for the shared security consensus of the entire…hahawahaha (64)in bitcoin • 4 years agoWhat is BitcoinWhat is Bitcoin Bitcoin is an electronic currency, a currency based on cryptography. On November 1, 2008, Satoshi Nakamoto published a Bitcoin white paper in which a decentralized electronic…hahawahaha (64)in working • 4 years agoBasic concepts and working principles of blockchainBasic concepts Blockchain is a new application mode of computer technology such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm. The…hahawahaha (64)in btc • 4 years agoHard forkThis is Head Wang Blockchain Academy, grow up with the best blockchain people! Today I will talk about hard forks. There are many nodes on the blockchain. When a new version of the software…hahawahaha (64)in eth • 4 years agoethContent Everyone is familiar with Ethereum, the second-ranked digital currency in circulation, second only to Bitcoin. It is called Blockchain 2.0. But the purpose of what I want to write today is…
