Capital protection in DeFi is usually a promise made by operators. It survives exactly as long as their discretion does.
Sagitta Protocol treats capital protection, loss accountability, and survivability as first-class system requirements enforced by architecture rather than operator judgement. Its components are the Vault for custody and accounting, the Treasury for liquidity and settlement, the Reserve as a gold-backed insurance layer, Escrow as the interface to external allocation venues, the Autonomous Allocation Agent for quantitative recommendations, and the Continuity Engine for survival and recovery.
The protocol is deployed on Moonbase Alpha Testnet, the Moonbeam testnet, at v0.1, and on Arc Testnet. Deposits on Moonbase Alpha Testnet are Polkadot-native: DOT crosses into Moonbeam as xcDOT via XCM and is accepted directly by the Vault. Both deployments are testnets.
It is the layer the rest of Capital Infrastructure is designed to settle into.