Ring signature

In a sentence

A ring signature can conceal which member of a group authorized a transaction.

• A ring signature can conceal which member of a group authorized a transaction.
• The privacy protocol uses a ring signature to obscure the true signer among several possible keys.
• Verifiers can confirm the ring signature without learning the sender's identity.
• Increasing the ring size may strengthen anonymity while adding computational overhead.
• The wallet created a ring signature before broadcasting the private transaction.