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Layer 2
Blockchain Developer
Layer 2 questions
6 questions on Layer 2 for blockchain developers, easiest first.
Easy
1
What a rollup does
easy
Medium
1
Blobs and rollup fees
medium
Hard
4
Rollup withdrawal times
hard
Using block.number for time on L2
hard
Trusting a cross-chain message
hard
Why ZK rollups still post data
hard
