It was that second aspect that I thought would totally eliminate all credit card fraud and make people comfortable with online purchases on smaller sites. I have no idea why PayPal killed the program, but even before it did, not many people used it. I was the only person I knew that was even aware it existed.
EDIT - if anyone is curious, I looked it up. Two ex-PayPal employees explain here: https://www.quora.com/Why-did-PayPal-discontinue-their-one-t...