Blockchain
A blockchain is a shared digital ledger, or a continually updated list of all transactions. The blockchain is the technology underlying bitcoinThe term "Bitcoin" can either refer to Bitcoin the network, ... More and other cryptocurrencies. This decentralized ledger keeps a record of each transaction that occurs across a fully distributed or peer-to-peer network, either public or private. A blockchain’s integrity hinges on strong cryptographyCryptography is the encryption mechanism used to secure cryp... More that validates and chains together blocks of transactions, making it nearly impossible to tamper with any individual transaction record without being detected.