linking to the docs would be a better way to introduce people, since only those in the echo chamber will have heard of it.<p>> Spaces are community identifiers; think of them as top-level domains such as ".com", ".org", and ".net". Every Space is represented as a Bitcoin UTXO (Unspent Transaction Output), and can operate millions of decentralized identities underneath called subspaces. There are only about 3600 community spaces released per year, acquired through permissionless auctions on the Bitcoin blockchain.<p><a href="https://docs.spacesprotocol.org/" rel="nofollow">https://docs.spacesprotocol.org/</a>