Witness signatures are crucial for the completion of official documents and legal proceedings. A witness signature is a document that affirms that the signatory has seen another person sign the document in question. It’s often used to provide assurance to the acceptance of a contract, or to verify that an agreement was reached between two parties. This kind of signature is especially important in the process of authentication since it provides proof that the transaction actually took place. Witness signatures are also essential for making changes to certain legal papers, such as wills and trusts. By having someone else witness the signature of the original document, one can ensure its validity.