Signature in BitcoinBitcoin is the first decentralized digital currency. It was created in 2009, by an anonymous founder or group of founders... More or other blockchainBlockchain is a type of database storing an immutable set of data, verifiable to anyone with access to it —through... protocols are used to provide a proof about private keyA cryptographic key that is used with an algorithm to encrypt and decrypt data. A cryptocurrency private key lets you... More ownership without having to reveal the key.