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Posts tagged #rollups

2 posts.

June 24, 2026 · 4 min read

Soft vs Hard Finality: When Is an L2 Tx 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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June 19, 2026 · 6 min read

What Is a Sequencer? How L2 Transactions Get Ordered

On an Ethereum L2, a single component decides the order your transaction lands in and how fast it confirms: the sequencer. Here's what it actually does, why nearly every rollup runs a centralized one today, and what that means when you're reading L2 state over RPC.

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