Cryptography

Cryptography is the mathematical basis for secure communication that allows only the sender and intended recipient of a message to view its contents. Cryptographic methods in BitcoinBitcoin is the first decentralized digital currency. It was created in 2009, by an anonymous founder or group of founders... More proof each transactionA cryptocurrency transaction is an entry on the blockchain ledger, noting sender, receiver and number of coins transacted. as well as the whole history of transactions.