https://docs.xverse.app/sats-connect/spark-methods/spark_signmessage
spark_signMessage | Sats Connect | xverse
sparksignmessagesatsconnectxverse
https://leather.gitbook.io/developers/bitcoin-methods/signmessage
signMessage | Leather
Request the signature of an arbitrary message with the first Bitcoin address (Native SegWit or Taproot) of an account
signmessageleather
https://developer.bitcoin.org/reference/rpc/signmessage.html
signmessage — Bitcoin
This site aims to provide the docs you need to understand Bitcoin and start building Bitcoin-based applications.
signmessagebitcoin