> <@rubenkelevra:matrix.org> I'm currently working on a similar solution for go-ipfs. But don't expect that in the near future, it will take some time.
> 
> I'm curious, which algorithm do you guys use for the evaluation if a block is worth caching of not, or do you just drop everything which isn't pinned? 🤔

It's a full GC, so everything that isn't pinned is deleted. The other critical thing we rely on are transactions: https://github.com/ipfs/notes/issues/106#issuecomment-439190857