https://en.wikipedia.org/wiki/Conflict-free_replicated_data_type https://en.wikipedia.org/wiki/Conflict-free_replicated_data_... https://en.wikipedia.org/wiki/O

https://en.wikipedia.org/wiki/Conflict-free_replicated_data_type https://en.wikipedia.org/wiki/Conflict-free_replicated_data_... https://en.wikipedia.org/wiki/Operational_transformation https://en.wikipedia.org/wiki/Operational_transformation ofcourse u will need websocket to sync changes.