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All Polymarket contracts are deployed on Polygon mainnet (Chain ID: 137). This is the single source of truth for all contract addresses used across the platform.

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Core Trading Contracts

CLOB v1 Neg Risk Adapter is being retired. Relayer calls to 0xd91E80cF2E7be2e162c6513ceD06f1dD0dA35296 are from CLOB v1 and should not be used on CLOB v2. All CLOB v2 neg risk actions use pUSD collateral via NegRiskCtfCollateralAdapter at 0xadA2005600Dec949baf300f4C6120000bDB6eAab.Relayer redeems to the old adapter remain available until Friday, July 17, 2026 at 00:00 UTC, after which calls to that address are fully retired. Migrate any flows that still depend on the old address.

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Combos Contracts

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Collateral Contracts

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Wallet Factory Contracts

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Resolution Contracts

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Security

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Audits

CTF Exchange V2 has been audited by two independent firms:

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Bug Bounty

Security vulnerabilities can be reported through the Cantina bug bounty program.

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Source Code

CTF Exchange V2

Order matching and settlement contracts