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Sepolia Testnet (Chain ID: 11155111)

Core Contracts

ContractAddressEtherscan
KeystoneEscrow0x0aa1e8676536af5d915057b2018365e0ece30fd9View
ComplianceRegistry0x08141ddf4aab9120dede9765e11b137df98498e6View
CoordinationLedger0x42b0daadba4fe68314179fd1230b93d0f8d76836View

Test Tokens

TokenSymbolDecimalsAddressEtherscan
KeyStone Test BondKBOND180xAc05a121607d10fcD5Da8863A2013DAfb921d88dView
Test USDCTUSDC60x5447F1409645481524bCAe8731cAB912F81Dd4b8View
These contracts are deployed from the keystone-smart-contracts repository. All source code is verified on Etherscan.

Contract Descriptions

KeystoneEscrow

Multi-leg atomic escrow for DvP settlement. Supports registering settlements with N legs, per-leg deposits, and atomic execution (all legs release in one transaction or none do). Handles ERC-20 and ERC-3643 token standards.

ComplianceRegistry

On-chain attestation of compliance screening results. Stores compliance status (Pass/Flagged/Fail) per party per settlement using hashed identifiers - no PII is stored on-chain.

CoordinationLedger

Append-only settlement event log with SHA-256 hash chain. Provides cryptographic proof of event ordering for the immutable audit trail.

Test Tokens

KBOND represents a tokenised government bond for repo collateral. TUSDC represents stablecoin payment (mimics USDC with 6 decimals). Both are mintable ERC-20 tokens used for testnet demonstrations.