Memo in cryptocurrency – unique user identification

The development of multiple payment solutions is now possible thanks to blockchain technology. The Bitcoin network was in first place. All users of the system are equipped with bitcoin wallets. You must specify the address to send BTCcurrency there. Some other blockchains use cryptocurrency banknotes in special circumstances. To make transactions, you will also need to specify this identifier and your address. Otherwise, there is a possibility that the delivered digital materials may be lost.