307Course · Practitioner
Layer 2s
The scaling layer of Ethereum.
The scaling layer of Ethereum. Optimistic and ZK rollups, with a serious treatment of data availability as the real determinant of security.
- 01
Distinguish optimistic from zero-knowledge rollups.
- 02
Read a rollup's bridge contract.
- 03
Judge an L2 by its data-availability guarantees.
Prerequisites
- — The EVM; Consensus.
Pacing
~3 hours.
- IModule
The families
Optimistic and ZK.
A Note from the Faculty
A rollup is only as secure as its DA guarantee.