docs: add note about L2 vs L1 finality on Optimism #1871
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We have documentation on transaction finality here. Transaction finality isn't when the state root is posted. That's for the withdrawal proving. It's when the batcher posts that transaction to L1. It's finalized when that batch tx is finalized. |
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This PR adds a short note to the README clarifying the distinction between
UX-level finality on L2 and economic finality on L1.
While transactions can be treated as final for user experience once they are
included in an L2 block, economic finality is only achieved after the
corresponding state root has been posted and finalized on L1.
This helps developers set correct expectations when building on Optimism.
Documentation-only change, no code modifications.
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