Comment by omgtehlion

Yes, starting with OT looks easy. You can make 99% work in almost no time. But the last 1% will bite you in the rear really hard...

Actually, CRDT is not a single data structure or even algorithm. It is a term for several families of data structures and different algorithms on them. If your task is not editing text, you may find a simple and already implemented CRDT for your case.