Digital Signature

      Digital signatures are unique identifiers that are used for the authorization of transactions/sending messages. Just as in the case of a handwritten letter, the author signs the bottom of it indicating who wrote the letter.

      Whenever a crypto address attempts to send assets it requires proof that the address owner is attempting to make the transaction. This is done by “signing” the transaction with a private key; a public key requests the sending & a private key authorizes it.