DEFINITION of 'Signature Guarantee'

A form of authentication issued by a bank or other financial institution that verifies the legitimacy of a signature and the signatory's overall request. This type of guarantee is often used in situations where financial instruments are being transferred. In most cases, the guarantor accepts all consequences in the event that the signature is fraudulent.

BREAKING DOWN 'Signature Guarantee'

With the number of crimes related to identity theft rising each year, using a signature guarantee service is a great way to prevent others from capitalizing on your identity in order to commit fraudulent acts.

In order to provide some sort of signature guarantee, a financial institution must be a member of a recognized securities guarantee program, such as Medallion.

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RELATED FAQS
  1. What is the difference between a bank guarantee and a bond?

    Understand what a bank guarantee is and what a bond is, and which one is a debt instrument. Learn the differences between ... Read Answer >>
  2. What's the difference between a bank guarantee and a letter of credit?

    Letters of credit ensure that a transaction proceeds as planned, while bank guarantees reduce the loss if the transaction ... Read Answer >>
  3. Are U.S. banks authorized to issue bank guarantees or medium term notes (MTNs)?

    Bank guarantees and medium term notes (MTNs) are different types of instruments that serve different purposes for corporations. ... Read Answer >>
  4. Which of the following signatures are required on a client’s new account form ... ...

    The correct answer is B. While local practices of a broker-dealer might require the client to sign the form, even when opening ... Read Answer >>
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