Blockchain

A blockchain, originally block chain, is a continuously growing list of records, called blocks, which are linked and secured using cryptography. Each block typically contains a cryptographic hash of the previous block, a timestamp, and transaction data. By design, a blockchain is resistant to modification of the data. It is "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way". For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for inter-node communication and validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without alteration of all subsequent blocks, which requires consensus of the network majority.

Source: https://en.wikipedia.org/wiki/Blockchain

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Presentations about Blockchain

Software Engineer @Coinbase Amy Yin

Blockchain Ask The Experts Panel

CEO @shopinapp, Winner of the United Nations World Summit Award for Innovation, & Fast Company’s Most Innovative Startup Eran Eyal

Blockchain Ask The Experts Panel

CEO @shopinapp, Winner of the United Nations World Summit Award for Innovation, & Fast Company’s Most Innovative Startup Eran Eyal

Blockchain Presentation