Type of Consensus in Syncthing

Ive been using syncthing for quite a while and ive noticed that in many cases, the shared folder goes into Out of Sync status. Does Syncthing a consensus algorithm like Byzantine Fault Tolerance (BFT)?

No. Version vectors and individual devices resolving conflicts.

None of which cause “out of sync” though, so that’s something unrelated. Check the errors on the files in question.