writes "Following the approval of S.761 (Millennium Digital Commerce Act), PalmTop has released software which will do just that. Using a Palm app and a Windows-based conduit, digital documents may be legally signed via the Palm device. Pricipal markets include online vendors. This could also help reduce fruadulant credit card transactions on the Internet. "
It's not just PalmPilots either - custom solutions are/will be supported, including IBM's WorkPad. However, until Oct. 31, you can get free copies for the Palm (OS3 or better).