Interesting stuff. Given that it's AP-compliant, does that mean messages from the rest of the fediverse are not stored on the blockchain? Also, can Numa be use

Interesting stuff. Given that it's AP-compliant, does that mean messages from the rest of the fediverse are not stored on the blockchain? Also, can Numa be used like a regular fediverse client, without spending Ether or storing anything on the Blockchain?