eCash as a Reformed Gift Card: The Gasoline Futures Model The gift card system is broken. It’s centralized, non-interoperable, opaque, expiration-prone, and locked to corporate silos. It's a ledger of IOUs that relies on trust in companies that profit from breakage—cards never redeemed, balances never used. And it’s not money. It’s a trap. Now reimagine that system—with eCash. Instead of a locked-balance Visa card or proprietary app credit, consider this: a co-op gas station issues eCash-denominated gallons of fuel. Not dollars. Not points. Gallons. Redeemable any time, no account required. A member pre-buys 100 gallons at $3.00 when prices are low. They receive a digital bearer token—Cashu eCash—that represents actual future delivery of fuel, not a price. Not a voucher. Not a discount. A physical unit: one gallon of gasoline. No Lightning conversion. No cross-mint transfer. These tokens are siloed—but deliberately so. Think of them as private commodity scrip, issued by the co-op itself. Valid only at their pumps. Direct issuance. Direct redemption. The mint is the merchant. Peer-to-peer fungibility emerges. Members trade gallons among themselves. Someone moves. Someone sells their truck. They offload their 80 gallons to another member. No need to involve the co-op. The co-op doesn’t need to know or care. The mint only verifies the validity of the tokens. That’s it. And yes: wallet software already supports multiple denominations. You can define “gallon” as a unit just as easily as a satoshi. You can store 37.225 gallons as bearer tokens. You can send it to the pump like cash. And you can get change. Example: A user sends 30 gallons to the pump. The pump dispenses 25.5. It returns 4.5 gallons to the wallet, over Nostr Wallet Connect (NWC), instantly. No meter misread. No float. No billing cycle. The transaction is closed the moment the nozzle clicks. Now add expiration. Let’s say futures are only valid for 12 months. After that, the tokens become invalid for pump redemption. But they don’t become worthless. They’re expired, not extinct. The wallet marks the token as expired. The user can then: 1. Redeem it for dollars or Bitcoin (manual off-chain flow, issued by the co-op). 2. Convert to a new futures contract at the updated market price. Case: You bought 50 gallons at $3.00 = $150. A year later, gas is $3.50. You redeem the expired tokens. The co-op mints 42.857 new gallons at the $3.50 rate. You lost no value, just volume. Your price exposure is clear, predictable, and fair. All of this could be automated. The pump detects expired tokens. It offers to convert them on the spot. No call center. No clerks. No confusion. Just a simple rule: expired tokens redeem at current price for original value. This system isn't theoretical. Every building block exists: – Cashu for eCash minting – NWC for real-time wallet interaction – Lightning for initial purchases – Embedded systems for pump control – Non-dollar denominations for token units We don’t need better gift cards. We need a commodity-backed bearer asset system that aligns incentives, eliminates credit risk, and puts redemption in the hands of machines, not people. eCash isn't just private money. It's programmable futures. And this is what a decentralized, peer-aligned, frictionless futures market looks like—on your phone, at the pump, with no one in between. #cashu #ecash #microtransactions @buzzbot 1000
Kirk's avatar Kirk
What do people think about #ecash or lightning enabled vending machines? I know there are a few projects out there, but does anyone know if they exist in the wild? #cashu #vendingmachines
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Dune Messias's avatar
Dune Messias 7 months ago
Gift cards reimagined as real, tradable fuel futures: pure eCash power
Can I buy soap-futures e-cash tokens from you? 😂
Kirk's avatar Kirk
eCash as a Reformed Gift Card: The Gasoline Futures Model The gift card system is broken. It’s centralized, non-interoperable, opaque, expiration-prone, and locked to corporate silos. It's a ledger of IOUs that relies on trust in companies that profit from breakage—cards never redeemed, balances never used. And it’s not money. It’s a trap. Now reimagine that system—with eCash. Instead of a locked-balance Visa card or proprietary app credit, consider this: a co-op gas station issues eCash-denominated gallons of fuel. Not dollars. Not points. Gallons. Redeemable any time, no account required. A member pre-buys 100 gallons at $3.00 when prices are low. They receive a digital bearer token—Cashu eCash—that represents actual future delivery of fuel, not a price. Not a voucher. Not a discount. A physical unit: one gallon of gasoline. No Lightning conversion. No cross-mint transfer. These tokens are siloed—but deliberately so. Think of them as private commodity scrip, issued by the co-op itself. Valid only at their pumps. Direct issuance. Direct redemption. The mint is the merchant. Peer-to-peer fungibility emerges. Members trade gallons among themselves. Someone moves. Someone sells their truck. They offload their 80 gallons to another member. No need to involve the co-op. The co-op doesn’t need to know or care. The mint only verifies the validity of the tokens. That’s it. And yes: wallet software already supports multiple denominations. You can define “gallon” as a unit just as easily as a satoshi. You can store 37.225 gallons as bearer tokens. You can send it to the pump like cash. And you can get change. Example: A user sends 30 gallons to the pump. The pump dispenses 25.5. It returns 4.5 gallons to the wallet, over Nostr Wallet Connect (NWC), instantly. No meter misread. No float. No billing cycle. The transaction is closed the moment the nozzle clicks. Now add expiration. Let’s say futures are only valid for 12 months. After that, the tokens become invalid for pump redemption. But they don’t become worthless. They’re expired, not extinct. The wallet marks the token as expired. The user can then: 1. Redeem it for dollars or Bitcoin (manual off-chain flow, issued by the co-op). 2. Convert to a new futures contract at the updated market price. Case: You bought 50 gallons at $3.00 = $150. A year later, gas is $3.50. You redeem the expired tokens. The co-op mints 42.857 new gallons at the $3.50 rate. You lost no value, just volume. Your price exposure is clear, predictable, and fair. All of this could be automated. The pump detects expired tokens. It offers to convert them on the spot. No call center. No clerks. No confusion. Just a simple rule: expired tokens redeem at current price for original value. This system isn't theoretical. Every building block exists: – Cashu for eCash minting – NWC for real-time wallet interaction – Lightning for initial purchases – Embedded systems for pump control – Non-dollar denominations for token units We don’t need better gift cards. We need a commodity-backed bearer asset system that aligns incentives, eliminates credit risk, and puts redemption in the hands of machines, not people. eCash isn't just private money. It's programmable futures. And this is what a decentralized, peer-aligned, frictionless futures market looks like—on your phone, at the pump, with no one in between. #cashu #ecash #microtransactions @buzzbot 1000 View quoted note →
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Do you think one day we could offer some love in ecash ? 😅 Nice example of new usage anyway 😉
Interesting concept. 🤔 I wouldn't engage, but it seems like many traders would participate in the futures market. 🤙
For the very specific use case of gift cards as money to be spent on a single type of commodity from a single vendor, this is certainly a step in the right direction. Personally, however, I'd rather just give someone some gas money, preferrably in BTC, then he can also buy flowers and chocolate at the gas station should he happen to be filling up on Valentine's day.
c03rad0r's avatar
c03rad0r 7 months ago
So holders of the e-cash can use the petrol station as a free storage facility for later when they need fuel and the prices are up? Customers can't buy commodities at the spot price and have them delivered when it suits them without any premium. Something has to give.
Pre-buying fuel is a standard practice. It's common for fuel oil, diesel, propane, gasoline and other petroleum. Even grain and milk change pride throughout the year. Futures are a way for suppliers to guarantee a sale at a price sometime in the future other another supplier. It doesn't require you take delivery at any particular time, but it does guarantee you will take delivery by the end of the term. People wait for the price to drop, then secure it at that price for the remainder of the year (deliverable upon demand). It's a way to save money, because commodities prices fluctuate day-to-day throughout the year. It has to do with changing supply, changing demand, and changing investment positions.