Nitter Mirror link(s) 🔗 XCancel: https://xcancel.com/ctdl21/status/2021554124081303980 🔗 Poast: https://nitter.poast.org/ctdl21/status/2021554124081303980 🔗 Nitter: https://nitter.net/ctdl21/status/2021554124081303980

It appears to be a rebranding of the Citadel21 project, which has been associated with Bitcoin's Lightning Network development. The links provided are to Twitter and a Stackers news article about the development.

testing zaps for this note… we made six attempts to⚡zap this note, at [email protected], over a period of about 1 hour. in each case, we found that your lightning address server did not respond correctly. (the failure point was when we did a get request to your specified callback url...