BTC Addresses use Base58 (like Base64 but without having identical character: IOl0+/) and should begin with either 1, three, bc1q or bc1p depending on which kind of address it can be. An ETH address, also known as an ERC20 address, may be the acquiring address of the Ethereum wallet. The https://directory-webs.com/listings12722093/eth-vanity-things-to-know-before-you-buy