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This page documents the legacy Sophon v1 chain architecture. The Sophon Chain is being wound down; see the migration guide for current actions.
Sophon v1 was a ZK Stack chain. The original architecture used ZKsync components to execute transactions on Sophon, prove chain state to Ethereum, and participate in the broader Elastic Chain design.

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Original design goals

  • Scalability: execute consumer-application transactions outside Ethereum.
  • Validity proofs: use zero-knowledge proofs to verify batched state transitions on Ethereum.
  • External data availability: store reconstructable chain data through Avail.
  • Interoperability: align with ZKsync’s Elastic Chain architecture for movement between ZK chains.
These points explain the technical thesis behind the legacy chain. Sophon’s current direction is product-led, with new applications built on Base rather than a new general-purpose Sophon chain.