Blockchain Practice Test
Blockchain Cryptographic Principles Questions and Answers
In public-key cryptography, what is the specific role of the sender's private key and the receiver's public key when creating a digital signature for a blockchain transaction?
Select your answer
A
The sender's private key encrypts the message, and the receiver's public key decrypts it.
B
The sender's private key signs a hash of the transaction, and the receiver's public key verifies the signature.
C
The sender's private key generates the transaction hash, and the receiver's public key adds it to the block.
D
The sender's private key encrypts the entire block, and the receiver's public key confirms the transaction.
Hint
