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59 lines
2.1 KiB
Markdown
59 lines
2.1 KiB
Markdown
# Bolt card setup using LNbits
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## Tools used
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* Card: NXP NTAG424 DNA https://zipnfc.com/nfc-pvc-card-credit-card-size-ntag424-dna.html
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* Raspiblitz node running:
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* Core Lightning
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* LNbits with the Bolt Cards extension activated
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* Boltcard NFC Card Creator Android app
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## Preparation
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### (optional) Run the latest experimental scripts of Raspiblitz
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* `menu` -> `PATCH `
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* `REPO`: raspiblitz
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* `BRANCH`: dev
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### (optional) To update LNbits to the latest commit in the master branch
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* Run:
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```
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config.scripts/bonus.lnbits.com sync
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```
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### Expose LNbits on a public domain
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* can use a cheap, minimal VPS tunneled from the node with Tailscale
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* point an A-record with a subdomain to the public IPaddress of the VPS
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* download Tailscale on the node and the VPS: https://tailscale.com/download/linux
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* log in on both (consider using a dedicated github account)
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* on the VPS set up nginx to forward a subdomain to the `TailscaleIP:LNbitsPORT` on the node: https://github.com/openoms/bitcoin-tutorials/tree/master/nginx
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### Download the Boltcard NFC Card Creator Android app
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* https://play.google.com/store/apps/details?id=com.lightningnfcapp
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* https://github.com/boltcard/bolt-nfc-android-app
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## Steps to set up a Bolt Card
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* open LNbits on the public domain
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* create a wallet and save the link
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* add the Bolt Cards extension (to serve the boltcard API)
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* open the extension and create a bolt card
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* scan the QRcode with the keys with the Boltcard NFC Card Creator app
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* write the keys on a blank card by touching it to the phone
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The setup of the bolt card is complete!
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Don't forget to fund the LNbits wallet backing the card to be able to pay.
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## Test
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* Blink
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* Breez
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* Wallet of Satoshi
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* NFC enabled webwallet
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* LNbits TPOS: https://clnbits.diynodes.com/tpos/gyZytJ3eLygXbe7EsJoi8C
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* BTCPay Server: https://tips.diynodes.com
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* NFC enabled PoS terminals
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Resources:
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* https://www.boltcard.org/
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* https://github.com/boltcard/boltcard
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* https://github.com/boltcard/bolt-nfc-android-app
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* https://github.com/lnbits/lnbits/tree/main/lnbits/extensions/boltcards
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* Post on stacker.news: https://stacker.news/items/81920
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