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10 weeks
4.5
10 modules
1. Why Cross-Chain: The Multi-Chain Reality
Understand why liquidity and users fragment across chains, what interoperability actually means, and the trust trade-offs.
2 quiz questions
2. Bridge Architectures: Lock-Mint vs Burn-Release vs Liquidity Networks
Compare the three bridge families, understand wrapped assets, and learn what actually backs a bridged token.
2 quiz questions
3. Messaging Protocols: LayerZero, Axelar, Wormhole
How generalized message passing works: endpoints, relayers, verification models, and how to pick one.
2 quiz questions
4. IBC: Cosmos's Inter-Blockchain Communication
The most trust-minimized interoperability design: light-client verification, channels, and packet lifecycle.
2 quiz questions
5. Cross-Chain Token Standards and Liquidity Routing
xERC-20, OFT, canonical vs third-party assets, and how liquidity routing aggregates bridge options.
2 quiz questions
6. Cross-Chain Security: Failure Modes and Defenses
Survey the big bridge exploits, then design defenses: rate limits, watching towers, circuit breakers, and staged finality.
2 quiz questions
7. Building a Cross-Chain dApp: Architecture Patterns
Hub-and-spoke vs mesh, state sync strategies, and how to design contract interfaces for multi-chain systems.
2 quiz questions
8. Cross-Chain UX and Frontend Patterns
Chain abstraction, gas across chains, pending states, and making multi-chain feel like one app.
2 quiz questions
9. Testing and Deploying Multi-Chain Systems
Fork tests across chains, staging deployments, monitoring bridged value, and operational runbooks.
2 quiz questions
10. Capstone: Cross-Chain Portfolio Rebalancer
Design and build a dApp that reads balances on three chains and executes rebalancing intents through a messaging protocol.
2 quiz questions