About Signal21

Signal21 publishes Bitcoin news and analysis from its own editorial desk: a daily Bitcoin read, reads on the listed companies that hold Bitcoin on their balance sheets, Markets pieces on regulation and industry shifts, and occasional longer essays on how Bitcoin itself works.

Signal21 is deliberately not a trading terminal or a signal service. There are no accounts, no comments, no advertising and no urgency. Nothing published here is investment advice.

The site is written in English and translated into French, Spanish, Hindi, Korean and Vietnamese. Translations are produced by AI and marked as such on every translated page; the English version is authoritative.

Signal21 at signal21.xyz is an independent publication. It is not affiliated with, and should not be confused with, signal21.io, a separate Bitcoin data and analytics company.

Signal21 is published by Signal21 team (Signal21 XYZ). Editorial responsibility: Signal21 Editorial Desk. Contact: contact@signal21.xyz.