Legislation such as the Paperwork Elimination Act, which mandates that agencies provide electronic forms and use digital signatures, also motivated the bureau.

CNN: U.S. Census OKs Web filing test

Bitcoin is a decentralized electronic cash system using digital signatures and cryptographic proof to enable irreversible payments between parties without relying on trust.

FORBES: Bitcoin Foundation Launches To Drive Bitcoin's Advancement

The Confederation of British Industry has said it is concerned about the licensing scheme being proposed, where Trusted Third Parties will handle digital signatures and hold the public keys that can unlock encrypted communications.

BBC: Are we ready for e-shopping?

This optimism stems in part from the fact that this summer America, Britain and Ireland passed laws making digital signatures legally binding.

ECONOMIST: The measure of man | The

Bruce Schneier, a security guru, says that biometrics are unsuitable for use as keys because, unlike passwords or digital signatures, they are not secret, and cannot be changed, destroyed or declared invalid.

ECONOMIST: The measure of man | The

They often now include automatic digital signatures with a sender's contact information or witty sayings, pleas to save trees and not print them, fancy logos and apologies for grammatical errors spawned by using a touch screen.

WSJ: Email Disclaimers Proliferate