Digital Signature

In a sentence

The wallet created a digital signature to authorize the transaction.

• The wallet created a digital signature to authorize the transaction.
• Nodes verified the digital signature using the sender’s public key.
• A valid digital signature proves that the message was signed by the corresponding private key.
• Changing the transaction after signing would invalidate its digital signature.
• The application requested a digital signature instead of asking the user to reveal a private key.