BTC addresses use Base58 (like Base64 but without having comparable character: IOl0+/) and must begin with either one, 3, bc1q or bc1p based upon which kind of address it is. A wise agreement is actually a self-executing system that operates about the Ethereum Digital Device (EVM) and performs predefined functions https://base-directory.com/listings12858307/the-definitive-guide-to-random-eth-address