gandlaf21 on Nostr: #### How to run an offline fiat-bitcoin (withdraw bitcoin) ATM: 💵 ➡️ 🏧 ...
#### How to run an offline fiat-bitcoin (withdraw bitcoin) ATM:
💵 ➡️ 🏧 ➡️ 🥜 ➡️ ⚡
1. Run a cashu mint
2. Mint a bunch of ecash tokens
3. Load the ecash into ATM
4. User comes, puts in 20$ cash
5. ATM displays QR code with ecash worth 20$
6. User scans token, and redeems to lightning
7. ???
8. Profit
#### How to run an offline bitcoin-fiat (withdraw fiat) ATM:
⚡➡️ 🥜 ➡️ 🏧 ➡️ 💵
1. Run a cashu mint
2. Fill ATM with cash
3. User inputs amount he wants to withdraw (20$)
4. ATM displays lock-pubkey
5. User creates offline-verifiable-locked-to-pubkey ecash QR code worth 20$
6. ATM scans QR and verifies ecash locally
7. If everything checks out, ATM dispenses 20$ cash
8. ???
9. Profit
Yes, you can combine these, but there would be limits. The ATM would need to come online to redeem locked ecash for generic ecash, in order to be able to dispense it again.
💵 ➡️ 🏧 ➡️ 🥜 ➡️ ⚡
1. Run a cashu mint
2. Mint a bunch of ecash tokens
3. Load the ecash into ATM
4. User comes, puts in 20$ cash
5. ATM displays QR code with ecash worth 20$
6. User scans token, and redeems to lightning
7. ???
8. Profit
#### How to run an offline bitcoin-fiat (withdraw fiat) ATM:
⚡➡️ 🥜 ➡️ 🏧 ➡️ 💵
1. Run a cashu mint
2. Fill ATM with cash
3. User inputs amount he wants to withdraw (20$)
4. ATM displays lock-pubkey
5. User creates offline-verifiable-locked-to-pubkey ecash QR code worth 20$
6. ATM scans QR and verifies ecash locally
7. If everything checks out, ATM dispenses 20$ cash
8. ???
9. Profit
Yes, you can combine these, but there would be limits. The ATM would need to come online to redeem locked ecash for generic ecash, in order to be able to dispense it again.