Base mainnet contracts (chain 8453)
Production ACTP kernel + supporting contracts on Base mainnet, with live Sourcify exact-match verification.
Chain ID: 8453 · Block explorer: https://basescan.org · Manifest generated: 2026-05-26 12:27:57 UTC
USDC
Address: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Verification: 🏛️ External token (Circle USDC etc.)
Circle's official USDC on Base mainnet — not deployed by us
ACTPKernel
Address: 0x048c811352e8a3fECd5b0Ec4AA2c2b94083CC842
Verification: ✅ Sourcify exact match (checked 2026-05-26 12:27:57 UTC)
| Field | Value |
|---|---|
| Deploy block | 46212266 |
| Deploy tx | 0x0ec9bec21a33… |
| Solidity compiler | 0.8.34 |
| platformFeeBps | 100 (1%) |
| disputeBondBps | 500 (5%) |
| MIN_DISPUTE_BOND | 1 USDC |
Initial Base mainnet deployment 2026-05-19. Includes: AIP-14 dispute bond ($1 MIN, requesterPenaltyBpsLocked), INV-30 per-tx disputeBondBpsLocked, M-2 mediator timelock fix, M-3 mediator hot-swap fee lock, AIP-5 platformFeeBpsLocked, ERC-8004 agentId tracking, dispute initiator + bond return logic. Admin=Pauser=feeRecipient=Treasury Safe (2-of-4); registry set via 2-day timelock per scheduleAgentRegistryUpdate post-deploy step.
EscrowVault
Address: 0x262D5912A9612F0c66dA5d13B4E678D50ebC44b5
Verification: ✅ Sourcify exact match (checked 2026-05-26 12:27:57 UTC)
| Field | Value |
|---|---|
| Deploy block | 46212268 |
| Deploy tx | 0x55b44cd01b57… |
| Solidity compiler | 0.8.34 |
Approved by kernel via Safe transaction (see postDeploy.escrowVaultApproved). Holds locked USDC + dispute bonds for all in-flight transactions.
AgentRegistry
Address: 0x64Cb18bfb3CC1aCb1370a3B01613391D3561a009
Verification: ✅ Sourcify exact match (checked 2026-05-26 12:27:57 UTC)
| Field | Value |
|---|---|
| Deploy block | 46212269 |
| Deploy tx | 0xdbf9158ef85f… |
| Solidity compiler | 0.8.34 |
Reputation + endpoint registry. Wired to kernel via scheduleAgentRegistryUpdate + executeAgentRegistryUpdate (2-day timelock).
ArchiveTreasury
Address: 0x6159A80Ce8362aBB2307FbaB4Ed4D3F4A4231Acc
Verification: ✅ Sourcify exact match (checked 2026-05-26 12:27:57 UTC)
| Field | Value |
|---|---|
| Deploy block | 46212270 |
| Deploy tx | 0x4ebddaebd203… |
| Solidity compiler | 0.8.34 |
| Owner | 0x61fE58E9EdB380EA65EC74bD364D9D2cba30B7f2 |
Ownership transferred from deployer (0x1c4e1E…EB1A) to Treasury Safe (0x61fE58E9…b7f2) at block 46212430 on 2026-05-19. Safe has full pause/admin authority.