There have been many micropayments schemes over the years. IIRC, there was a decent one slightly cleverly called "Millicent" developed by DEC and pushed in the

There have been many micropayments schemes over the years. IIRC, there was a decent one slightly cleverly called "Millicent" developed by DEC and pushed in the early Internet days... (Then there were the various pre-bitcoin internet banks/e-cash outfits - First Virtual, eGold, etc....)