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Keysend Messaging
Messages included in lightning payments can be received and interpreted by Amboss to appear on the home page or on node pages.
Background
Keysend payments are spontaneous (invoice-less) payments within which messages may be included.
Messages are encrypted such that only the message recipient is able to decrypt and read the keysend message.
The amount of text that can be included in a keysend message is dependent on the record ID and/or the complexity of the route to the payment destination.
How to send a keysend message
Thunderhub
From the main screen, navigate to the chat bubble icon at the top right corner of the window.
03006fcf3312dae8d068ea297f58e2bd00ec1ffe214b793eda46966b6294a53ce6
LND
The following message will send the phrase "Happy Genesis Block Day!" to Amboss in a 10 satoshi payment.
lncli sendpayment --dest 03006fcf3312dae8d068ea297f58e2bd00ec1ffe214b793eda46966b6294a53ce6 --amt 10 --data 34349334=48617070792047656E6573697320426C6F636B2044617921 --keysendThe message is sent with record ID 34349334
The enclosed message is HEX encoded as the numbers following the "=" sign.
Balance of Satoshis (BOS)
To send a keysend message using balance of satoshis, see the following example syntax to write "Everything over 21 million" inside a 1 satoshi payment.
bos send <public key> --message="Everything over 21 million"Core Lightning (CLN)
Write to the Keysend Billboard
Any message received by Amboss will be posted on the keysend billboard at Amboss.Space.
To write on the Amboss.Space keysend billboard, send a keysend message to the Amboss.Space node at pubkey 03006fcf3312dae8d068ea297f58e2bd00ec1ffe214b793eda46966b6294a53ce6
Write to a Node Profile Page
To write a message that will appear on an individual node page, include the node pubkey as the first characters within the message sent to the Amboss.Space node.
For example, to write "Great Node!" to the zero fee routing node, send a keysend message to Amboss.Space with text:
038fe1bd966b5cb0545963490c631eaa1924e2c4c0ea4e7dcb5d4582a1e7f2f1a5 Great Node!Last modified 1mo ago