TXTrecords to associate a human-readable name with a DID. This helps find an acceptable balance for Zooko's Triangle.
revokein the signature is taken as a check that the intention was to revoke rather than simply sign some arbitrary data.
log ntime to concurrently address everyone in a network. This ideal case is not generally what you see in practice, since some peers may be partitioned from the rest of the network. Further, the topology of our network is uneven, with large hubs including the Fission server.