Signature Field

What Does Signature Field Mean?

A signature field in the world of bitcoin cryptocurrency is a field used to contain a sender’s unique signature for a transaction. The digital signatures of the bitcoin owner and sender play a valuable role in assuring integrity for bitcoin use.


Techopedia Explains Signature Field

The signature field works together with a private key and a public key to provide effective authentication. The sender assigns a message, and sends the public key along with the signature to the receiver. The receiver uses specific tools to verify that the transaction is signed. In addition, bitcoin technology uses hashing to enhance security and consistency for bitcoin transactions.


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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.