Before revision:  Based on comprehensive review and comparison study on representative OT and CRDT solutions and working co-editors based on them , we present our main research discoveries in relation to this question and beyond in a series of three related and complementary articles.
After revision:  Based on comprehensive review and comparison study on representative OT and CRDT solutions and working co-editors based on them . From this work, we have made important discoveries about OT and CRDT, and revealed facts and evidences that refute CRDT claims over OT on all accounts. We present our discoveries in three related and complementary articles.