Proxy upgraded: Optimism L1ERC721Bridge

Detected	2026-09-24 16:51 UTC · block 26048619
Chain	Ethereum
Contract	L1ERC721Bridge `0x5a7749f83b81b301cab5f48eb8516b986daef23d`
Event	`Upgraded(address)`
Before	`0x2476…eee8`
After	`0x9f16…cb2e`
Details	`{"backfill":true}`
Transaction	`0x0a0f…741a`

What changed

Old implementation	`0x2476…eee8` StorageSetter (verified)
New implementation	`0x9f16…cb2e` L1ERC721Bridge 0.8.15+commit.e14f2714 (verified, match)
Source files	0 changed, 25 added, 1 removed
Functions added	`MESSENGER()`, `OTHER_BRIDGE()`, `bridgeERC721(address,address,uint256,uint32,bytes)`, `bridgeERC721To(address,address,address,uint256,uint32,bytes)`, `deposits(address,address,uint256)`, `finalizeBridgeERC721(address,address,address,address,uint256,bytes)`, `initVersion()`, `initialize(address,address)`, `messenger()`, `otherBridge()`, `paused()`, `proxyAdmin()`, `proxyAdminOwner()`, `superchainConfig()`, `systemConfig()`
Functions removed	`getAddress(bytes32)`, `getBool(bytes32)`, `getBytes32(bytes32)`, `getUint(bytes32)`, `setAddress(bytes32,address)`, `setBool(bytes32,bool)`, `setBytes32(tuple[])`, `setBytes32(bytes32,bytes32)`, `setUint(bytes32,uint256)`

Sources: old · new (Sourcify)