A digital signature tool is a technology that uses advanced cryptography to create electronic signatures that are used to verify the identity of the person signing a document. It ensures that all data, documents and transactions exchanged between business partners are authentic and secure. Digital signatures give businesses the confidence that their sensitive information is kept safe, while also providing increased efficiency by allowing documents to be signed and verified quickly and easily. With digital signatures, businesses can ensure trust and accountability in their online transactions- making it easier than ever for them to conduct business securely.