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⚡ David Coen | DAVIDCOEN.IT Profile picture
⚡ David Coen | DAVIDCOEN.IT
@thedavidcoen
Author of @QAaboutBitcoin, SW QA Tester and Support for @EdgeWallet. Donations:⚡️ donate@btcpay.davidcoen.it Nostr: https://t.co/T3ZfpdG40O
May 10, 2022 • 6 tweets • 3 min read
In this tweet (tinyurl.com/2p8ktpds) I showed how to RECEIVE a Bitcoin payment on a NFC card, thanks to LNURL-pay.
Here the things become more interesting: how to PAY bitcoin over #LightningNetwork "offline" using a NFC card, thanks to LNURL-withdraw and @BtcpayServer!
1/N We can send payments by bringing with us just an offline support such as a NFC card or other tag: our node is always online, so the merchant's device grabs the LNURL from the offline device and talks with the server (the user's node) directly. 2/N
Feb 28, 2022 • 10 tweets • 3 min read
A short guide on sending money to relatives/friends in Russia, if, in addition to blocking international transfers to Swift, money transfers (ex. MoneyGram/MoneyTransfer) to the country are also blocked.
The recipient must have a Russian prepaid Visa, Mastercard or Mir card. 1/9 For those who send:
1. Install a non-custodial Bitcoin Wallet (try @EdgeWallet)
2. Buy bitcoin using internal partners or an external exchange of your choice and have bitcoin in your wallet.
3. Ask the recipient to send you a Bitcoin address
4. Send bitcoins 2/9
Feb 21, 2021 • 7 tweets • 3 min read
1. From euro coin to sats with my LightningATM (thanks @21isenough) and from sats to digital euro thanks to @lastbitpay and LNURL withdraw maxWithdrawable.
2. Basically this means I converted euro coin into digital euro and I was able to spend them instantly with a rechargeble Mastercard card. Then, with Lasbit I was also able to pay a LN invoice, so back from euro to sats.