Since Denim, Base produces a canonical block every 200ms and Flashblocks are retired. The
"pending" tag is still accepted, but it no longer returns Flashblocks preconfirmation state. Use "latest" for the newest canonical block. See Migrate From Flashblocks.Parameters
string
required
Block number in hex, or
"latest", "pending", "safe", "finalized", "earliest".Returns
array
Array of receipt objects for each transaction in the block. See
eth_getTransactionReceipt for the receipt object shape.Denim Millisecond Timestamps
Denim is live on Base Mainnet and Base Sepolia. See the Denim overview.
blockTimestampMs field with the originating block’s timestamp in milliseconds. The receipt object itself does not add a top-level millisecond timestamp.
A log omits blockTimestampMs when its block’s BaseTime metadata is unavailable. See 200ms Blocks for the full list of affected methods.