Today @Aaron van Wirdum and I explain the new @OCEAN mining pool and its tides system. We also welcome our new sponsor Coinkite!
https://bitcoinexplainedpodcast.com/@nado/episodes/episode-86-ocean-tides-hktbg

Addendum: it looks like they added additional filtering related to inscriptions, beyond the op_return stuff we mention (which inscriptions don't use)