A secure electronic signature is only part of a digital transaction. ProofSpace's ProofMark software looks to confirm not only who did the signing, but what they signed and when. The software then creates an XML document that can be quickly checked to make sure nothing about it has been modified since the signing. ProofSpace says that the product can integrate into any company infrastructure. On Call When things happen at Internet speed, it's easy to miss out.
Pricing is usage-based and depends on application.