Every year, exozyme has an April Fools' Day joke. This page lists ones from previous years.
Download this repo and see for yourself. You can also find a deployed version of the website at https://securly.exozy.me.
Four days after the domain was registered on March 27, exozyme opens invite-only registration for new accounts. Not really an April Fools' day joke I guess, but still an interesting coincidence, like how Gmail was launched on 2004 April 1 and everyone thought it was a joke.