The window
How long until it is actually settled.
Rollup.confirmPeriodBlocks(), read just now
6d 8h
45,818 Ethereum blocks · 549,816 seconds
Read it yourself on EtherscanA block on Robinhood Chain
100 ms
what a user experiences as done
Batches posted to Ethereum
177,628
SequencerInbox.batchCount()
Times longer than a block
5,498,160×
the gap this page is about
Who actually waits this long
Nobody, for anything that stays on Robinhood Chain
Trading, minting, transferring between wallets, a token launch — all of it is done in 100 ms and that is genuinely enough. Everyone on the chain acts on the sequencer’s block, and the sequencer does not wait for Ethereum.
Anyone withdrawing to Ethereum
The Outbox on Ethereum will not release funds until the assertion covering the withdrawal has been confirmed, and it cannot be confirmed until this window elapses. That is the one place the number above is a wait somebody sits through.
So the window is not a criticism of the chain — it is what makes an optimistic rollup provable, and six days is the price of being able to challenge a fraud. The fault this site is about is narrower and worth stating exactly: sites built on this chain describe settlement as immediate and final, with no clearing window. There is a clearing window, it has a length, and the length is on this page.
Both chains, polled every 2.5s
Robinhood Chain
reading…
a block every 100 ms
Ethereum
reading…
a block every 12 s
These step when a reading returns. They are not animated between polls, because a block number nobody read is not a block number — and this reading is 0s old.
Both chains, at the moment this page was built
Robinhood Chain head
52,429,211
L1 block it was built on
25,888,387
Ethereum head
25,888,388
The gap between the middle figure and the right one is 1 L1 block — how far behind Ethereum the sequencer’s view is. It is usually small, and it is not the settlement lag. Being in step with L1 is not the same as having been ratified by it, and conflating the two is the mistake this site was built to name.