I devoted some time to Differential Synchronization in my article on CRDTs, if you're interested: http://archagon.net/blog/2018/03/24/data-laced-with-history/#d

I devoted some time to Differential Synchronization in my article on CRDTs, if you're interested: http://archagon.net/blog/2018/03/24/data-laced-with-history/#differential-synchronization http://archagon.net/blog/2018/03/24/data-laced-with-history/... My sense is that it's not a particularly flexible approach, and falters under adverse network conditions, even though it feels very tempting.