0x5a7749f83b81b301cab5f48eb8516b986daef23d · explorer · Sourcify · all Optimism contracts
| Upgradeable proxy | yes (eip1967) |
|---|---|
| Implementation | 0x9f16…cb2e |
| Upgrade authority | contract owned by 0x5a0aae59d09fccbddb6c6cceb07b7279367c3d2a → Safe multisig 2-of-2 |
| Owner | — |
| Paused | no |
| Bug bounty | Listed in the optimism Immunefi scope |
| Detected | Change | Contract | From → To | Tx |
|---|---|---|---|---|
| 2026-09-24 16:51 UTC | Proxy upgraded | L1ERC721Bridge Ethereum | 0x2476…eee8 → 0x9f16…cb2e | 0x0a0f…741a |
| 2026-09-24 16:51 UTC | Proxy upgraded | L1ERC721Bridge Ethereum | 0x9f16…cb2e → 0x2476…eee8 | 0x0a0f…741a |
| 2026-09-24 16:51 UTC | Proxy upgraded | L1ERC721Bridge Ethereum | 0x2476…eee8 → 0x9f16…cb2e | 0x0a0f…741a |
| 2026-09-24 16:51 UTC | Proxy upgraded | L1ERC721Bridge Ethereum | 0x2476…eee8 | 0x0a0f…741a |
Alert me when this contract is upgraded or its owner changes: Ledgerbell (free tier). Full live verdict incl. complete upgrade history: GET /x402/verdict?chain=ethereum&address=0x5a7749f83b81b301cab5f48eb8516b986daef23d ($0.01, x402).