June 24, 2026 · 4 min read
Soft vs Hard Finality on L2s: When Is a Transaction Really Done?
Your L2 transaction confirms in under a second — but that's not the same as final. Here's the difference between a sequencer's soft confirmation and true L1-settled finality, why optimistic and ZK rollups answer it differently, and how to check finality from RPC.
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