Cryptographic keys are essential in ensuring privacy and the integrity of the blockchain. In Bitcoin, for example, every participant owns one cryptographic keys-a public key, which is a publicly viewed identifier of the party. The public key of a transaction's recipient is hashed with the originator's previous transaction and then signed with the originator's public key. This information is then hashed and used as the hashed transaction for the recipient's next transaction. Select one: O True O False