Rollup
A rollup is a Layer 2 scaling method that bundles many transactions together before posting them to a Layer 1.
✦ Key Insight
Rollups make blockchain use cheaper and faster while still relying on the security of the base chain.
✕ Common Misconceptions
Ignoring withdrawal delays, bridge risk, and differences between rollup types.
Detailed Explanation
How It Works
Transactions happen on the rollup. The rollup compresses and submits proof or data to the Layer 1.
FAQs
Are rollups the same as sidechains?
No. Rollups usually inherit more security from the Layer 1.
In Practice
Dig Deeper
Gas Fee
A gas fee is the cost paid to process a transaction or execute a smart contract action on a blockchain. It is the fee users pay to the network so their transaction can be included and confirmed.
Bridge
A bridge moves crypto assets from one blockchain to another.
Layer 1
A Layer 1 is a base blockchain network that processes and secures transactions directly.
Layer 2
A Layer 2 is a scaling network built on top of a Layer 1 blockchain.
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