Similar to an email address used to send an email, a Bitcoin addressA bitcoin address is a cryptographic key that “owns” bit... More is an 26-35 alphanumeric string or unique identifier, that can be used to send cryptocurrencies. Cryptography is used in order to generate a BitcoinBitcoin is a digital currency (also called crypto-currency) ... More address. Digital wallets usually generate a new address for each transaction. A contract address is a unique address allocated when a smart contract is deployed.