Blockchain, Cryptography, Bitcoin, Ethereum, Cryptocurrency.
or not. Luckily, such a transaction does not belong in the blockchain, because it is missing a valid digital signature. By adding a digital signature, you can prove that you know the private key that corresponds to the address 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfN. If you don’t know the corresponding