Midterm 01 - Process: Wallet Creates Digital Signature

Fall 24

What does transaction details include?

the sender's Bitcoin address (from), the recipient's Bitcoin address (to), and the amount of Bitcoin being sent.

First step in creating a digital signature for a Bitcoin transaction?

The transaction data is hashed using the SHA-256 algorithm to create a unique Transaction ID.

How is the digital signature generated in a Bitcoin transaction?

The Transaction ID (hash of the transaction) is encrypted using the sender's private key to create the digital signature

What role does the private key play in creating a digital signature?

The private key encrypts the transaction hash, proving the sender’s ownership of the Bitcoin being transferred and authorizing the transaction.

How do other nodes in the network verify a digital signature?

Other nodes use the sender’s public key to verify the digital signature without needing access to the private key.

Why is a digital signature important in Bitcoin transactions?

ensures the authenticity of the transaction and transaction was authorized by the rightful owner of the Bitcoin being sent