English Computing Dictionary
Open Trading Protocol
(OTP) A standard developed to make {Internet} trading convenient and secure. OTP is used to
increase the interoperability of electronic trading software.
It is independent of the payment mechanism and encapsulates
the payment with the offers, invoice, and receipts for payment
and delivery.
{Home (http://www.otp.org/)}.
[Better explanation?]
(2000-01-31)