What's the memory and bandwidth cost of running replicas locally?
Each user's browser keeps a full copy of the document state (replicas) plus an operation log of all edits. For Figma's typical designs (1–5 MB), this is acceptable. The network cost is low because only operations (not full state) are transmitted. Under heavy concurrent editing, bandwidth is proportional to op count, not document size.
Answered in
CRDTs: Conflict-Free Collaboration at 60fpsEvery user edits a local replica; operations merge automatically into an identical state regardless of arrival order, with no central locking.
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