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Creator of World's First Bitcoin Fuel Pump Plans Lightning Support
The creator of the first ever commercial fuel pump to accept bitcoin has revealed a plan to add Lightning Network functionality to his design.
Updated Sep 13, 2021, 6:52 a.m. Published Aug 31, 2017, 1:30 p.m.
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The creator of the first ever commercial fuel pump to accept bitcoin has revealed a plan to add Lightning Network functionality to his design.
The original machine, designed and built by Andy Schroder in 2014, allows users to scan a QR code and send bitcoin instead of more traditional means of payment. Schroder now wants to adapt his design to incorporate the Lightning's off-chain payments, he announced on the Lightning-dev mailing list yesterday.
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However, Schroder pointed out some issues he has with Lightning – which he hopes will provide "real-time micropayments" – including that its invoice protocol BOLT 11 does not appear to accommodate refunds. Refunds are a necessity for the bitcoin fuel dispenser, because it runs on a fixed prepayment, and immediately returns any unused credit at the end of sale, he said.
Schroder is currently using bitcoin improvement protocol (BIP) 70, a user-friendly payment protocol that creates a receipt for the customer, as well as automatically providing a refund address to the seller.
He stated in the mailing list:
"I don't really see an option for a refund address like is present in BIP 70. Is this intentional? If so, why do you not see that people would possibly want to receive a refund?"
He also speculated about a possible fix for this problem that would involve fitting cars with an onboard digital wallet, though he conceded this is not a short-term solution.
Fuel pump image via Andy Schroder
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