3 posts.
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.
Read →Mantle looks like a standard EVM L2 until two things trip you up: gas is paid in MNT, not ETH, and data availability runs through EigenDA instead of Ethereum calldata. Here's what that means for your RPC calls, plus the Mantle endpoints to point at.
Read →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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