BTC addresses use Base58 (like Base64 but devoid of identical character: IOl0+/) and should start with either 1, 3, bc1q or bc1p dependant upon what sort of address it is. You can determine an First offer to sent to Token Owner's wallet. You could raise or lessen provide later by https://eth-vanity-address14569.blogpostie.com/51615333/rare-address-no-further-a-mystery