An Interactive Intro to CRDTs

CRDTs let every peer update its local state immediately with no network coordination, then guarantee all peers eventually converge. This article walks through state-based CRDTs interactively: each one has a value (your data), state (sync metadata), and a merge function that's commutative, idempotent, and associative. You can build collaborative apps like pixel editors without a central server. The trade-off: you're transmitting full state, not just operations.

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