3) https://liquid.boltz.exchange

Go to the boltz exchange swap feature. Enter amount of sats you want to swap (minimum is around 10-11k). Enter your Blockstream Green L-BTC address. Click swap, scan the invoice with your lightning wallet and pay. Wait about one minute and the L-BTC should show in your Blockstream Green wallet.

For reference I swapped 11k sats, paid a 428 sat network fee and a 10 sat boltz fee. If you swap back to Lightning sats from L-BTC it is much cheaper.

Hope it's helpful. 😎🤙

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