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Arcium combines encrypted offchain execution with Solana-based coordination.

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Key features

The current platform provides:
  1. Encrypted computation: MPC eXecution Environments (MXEs) run Arcis circuits without reconstructing private inputs on one Arx node.
  2. Detect-and-abort execution: Cerberus aborts on detected protocol faults rather than producing a corrupted result under its stated trust assumption.
  3. Onchain coordination: Solana programs manage Cluster configuration, computation queues, staking, charges, rewards, and callbacks.
  4. Developer toolchain: Arcis, the Arcium CLI, Anchor macros, and TypeScript libraries support Solana application development.
Callbacks authenticate the Cluster-signed outcome after the MPC protocol completes. Result integrity follows Cerberus’s stated trust model.

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Use cases

Potential applications include:
  1. Private DeFi: Evaluate application logic over encrypted positions, amounts, or strategy inputs.
  2. Sealed-bid auctions: Compare encrypted bids and reveal only the outcome selected by the application.
  3. Joint analytics: Compute aggregate results across private datasets without giving one participant all raw inputs.
  4. Private inference: Evaluate supported model circuits over encrypted inputs.
  5. Institutional workflows: Process sensitive data across an agreed Cluster without sharing raw inputs with every participant.
Practical privacy and performance depend on the circuit, callbacks, surrounding application, and Cluster operations. Teams assess regulatory requirements for the complete application and operating model.