Layer 2 Scaling
Learn how Layer 2 solutions scale blockchain networks. Explore rollups, state channels, and sidechains.
Prerequisites
Complete Level 5: DeFi
🎯What You'll Learn
- ✓How Optimistic Rollups batch transactions off-chain
- ✓ZK-Rollups and zero-knowledge proof verification
- ✓State channels for instant, low-cost payments
- ✓Sidechains and their trade-offs with mainnet security
- ✓Bridges for moving assets between chains
💪Skills You'll Gain
🏆Learning Outcomes
📖Interactive Modules (10)
Rollup Demo
Interactive rollup demonstration showing how Layer 2 solutions batch transactions off-chain.
Optimistic vs ZK Rollup Visual
Compare Optimistic Rollups vs ZK Rollups in trust assumptions and finality.
Plasma Chains
Understand Plasma chains, early Layer 2 scaling with merkle proofs and periodic checkpoints.
Sidechains vs L2
Learn differences between sidechains and Layer 2 solutions in security and trust models.
State Channels Interactive
Master state channels enabling instant, low-cost transactions through off-chain agreements.
Bridge Attack Scenario
Understand cross-chain bridge vulnerabilities and major exploits in blockchain security.
L2 Gas Comparison Tool
Learn how Layer 2 solutions dramatically reduce gas costs while maintaining Ethereum security.
Sequencer Queue Simulation
Explore sequencer architecture, transaction ordering, and MEV on Layer 2 networks.
Fraud Proofs Visualized
Master fraud proofs in Optimistic Rollups enabling trustless withdrawal verification.
L2-L1 Withdrawal Delay Game
Understand Layer 2 withdrawal processes, challenge periods, and finality guarantees.