Bloom Filter Lens

Paste a block number and see which addresses and topics its logs bloom can match.

Block number (decimal or 0x hex), or leave empty for latest

set bitquery bit setquery bit clear

Addresses (20 bytes), topics (32 bytes) or event signatures like Transfer(address,address,uint256) — one per line

A match means "possibly present" (bloom filters give false positives). A miss means the block definitely has no such log, so it can be skipped.