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StableGuard — Autonomous On-Chain Depeg Protection
Real-time stablecoin monitoring via Chainlink CRE, with automated vault protection when a depeg is detected.
Live-tested on Arbitrum Sepolia · 2 Oct 2026
First live protection event: a simulated 3% USDC depeg froze the vault in one transaction. View transaction ↗ · Watch demo ↗
How It Works
📡A Chainlink CRE workflow checks Data Streams prices on a schedule — no manual triggers needed.
🛡️A confirmed depeg triggers automatic vault protection — full freeze or deposit-only mode, chosen per vault.
✅Deposit-only mode blocks new deposits while existing depositors can still withdraw. Full freeze pauses deposits and withdrawals until the peg recovers.
🔄Auto-recovers once prices stabilise for a set window. No manual reset required.
Engineering Rigor
✓240 passing automated tests
✓Externally reviewed for security, with all findings fixed and re-tested
✓Hardened against replay attacks, stale reports, and reconciliation edge cases
✓CRE protection workflow covers USDC, USDT, DAI and USDS
Chainlink Integration
✅Chainlink CRE
✅Chainlink Data Streams
Protected Assets
The CRE workflow covers USDC, USDT, DAI and USDS. Prices below are live from PegCheck.
USDT
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USDC
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DAI
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USDS
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Contracts — 2 Testnets
Deployed and wired on Ethereum Sepolia and Arbitrum Sepolia (2026-09-10). Arbitrum receiver redeployed 2026-10-02 with ERC-165 support.
Ethereum Sepolia
ExposureRegistry
Etherscan ↗0xC60Ceb4faB3B63495534B2a9A5EB3F6C3f668789
DepegEventRegistry
Etherscan ↗0x1A28535abc3Ad99A42CaF5439e8219Cc450AbfF6
ProtectionHoldLedger
Etherscan ↗0x55fc74c807dd5aC468Cf2e9B5c26Abb9b1149945
StableGuardVault
Etherscan ↗0xAa940C87f3D3251fD297894b5cef7dC7e71b3665
StableGuardCREReceiver
Etherscan ↗0xA3175824EEF5964bA5A839CdBc01e6F8F1F3444b
Arbitrum Sepolia
ExposureRegistry
Arbiscan ↗0x55fc74c807dd5aC468Cf2e9B5c26Abb9b1149945
DepegEventRegistry
Arbiscan ↗0xAa940C87f3D3251fD297894b5cef7dC7e71b3665
ProtectionHoldLedger
Arbiscan ↗0xA3175824EEF5964bA5A839CdBc01e6F8F1F3444b
StableGuardVault
Arbiscan ↗0x86602cDeC52Df65Bc8D66528De429EB11A9E0497
StableGuardCREReceiver
Arbiscan ↗0xac83a85Ee4dF1FfF44DFdEF055e95Db4886a9aD8
Not financial advice