Classifications of Electronic Signature

1. Simple e-signatures: provide little or no authentication at minimal or no cost.
2. Advanced e-signatures: are linked to specific signers but can still be vulnerable to fraud.
3. Qualified e-signatures: include third-party authentication and offer strong security making them legally binding.

Digital signature (Qualified e-signatures): an electronic signature consisting of a transformation of an electronic record using an asymmetric cryptosystem.