> One of the simplest CRDT strategies is Last-Write-Wins (LWW):

> Each update gets a timestamp (physical or logical).

> When two devices write to the same field, the update with the latest timestamp wins.

Please also have a robust synced undo feature, so it's easy to undo the thing you don't want that gets written. Apps that sync often seem to be stingy about how much "undos" they store/sync (if any).