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What are CRDTs? - Definition & Meaning

Learn what CRDTs (Conflict-free Replicated Data Types) are and how they enable offline-first and real-time collaboration.

CRDTs (Conflict-free Replicated Data Types) are data structures that can be replicated and updated across multiple nodes without central coordination. They guarantee eventual consistency without conflicts, ideal for offline-first and real-time collaboration.

What is What are CRDTs? - Definition & Meaning?

CRDTs (Conflict-free Replicated Data Types) are data structures that can be replicated and updated across multiple nodes without central coordination. They guarantee eventual consistency without conflicts, ideal for offline-first and real-time collaboration.

How does What are CRDTs? - Definition & Meaning work technically?

CRDTs use mathematical properties (commutativity, associativity, idempotence) so that replicas reach the same state after merges. Well-known variants include G-Sets, OR-Sets, LWW-Registers and RGA (Replicated Growable Array) for text. Yjs and Automerge are popular CRDT libraries for collaborative editing. They work without operational transforms or lock-based coordination.

How does MG Software apply What are CRDTs? - Definition & Meaning in practice?

MG Software considers CRDTs for collaboration features in customer portals and document or form editors where multiple users work simultaneously. We evaluate Yjs and Automerge for real-time sync with offline support.

What are some examples of What are CRDTs? - Definition & Meaning?

  • Google Docs-style real-time text editing where multiple users type simultaneously without conflicts.
  • An offline-first mobile app that stores changes locally and syncs automatically when connection returns.
  • A whiteboard app with shared shapes and annotations that stay consistent under delayed networks.

Related terms

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Further reading

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Frequently asked questions

Operational Transform (OT) adapts operations based on other operations and often requires a central server for conflict resolution. CRDTs are conflict-free by design: every merge converges to the same state without extra logic. CRDTs are better suited for peer-to-peer and offline scenarios.
CRDTs are used in collaborative editors (Figma, Notion), distributed databases (Riak), and real-time sync in apps like Linear. They are ideal when low latency and offline capability matter.
CRDTs work well for sets, counters, maps and text. Complex constraints or strict ordering are harder. For some use cases, traditional replication strategies with conflict resolution are still more suitable.

What is the difference between CRDT and Operational Transform?

Operational Transform (OT) adapts operations based on other operations and often requires a central server for conflict resolution. CRDTs are conflict-free by design: every merge converges to the same state without extra logic. CRDTs are better suited for peer-to-peer and offline scenarios.

Where are CRDTs applied?

CRDTs are used in collaborative editors (Figma, Notion), distributed databases (Riak), and real-time sync in apps like Linear. They are ideal when low latency and offline capability matter.

Are CRDTs suitable for all data types?

CRDTs work well for sets, counters, maps and text. Complex constraints or strict ordering are harder. For some use cases, traditional replication strategies with conflict resolution are still more suitable.

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