Robustness and resilience in the context of multi-chain deployment refer to the ability of smart contracts and decentralized applications (dApps) to withstand potential failures, attacks, or disruptions, and continue operating seamlessly across multiple blockchain platforms. This is achieved by:

1. _Diversifying risk_: Spreading dependencies across multiple chains.

2. _Implementing redundancy_: Duplication of critical components.

3. _Using fail-safe mechanisms_: Automatic fallbacks and recovery processes.

4. _Regular security audits_: Identifying and addressing vulnerabilities.

5. _Decentralized architecture_: No single point of failure.

6. _Flexible and adaptable design_: Evolving with changing conditions.

7. _Community support and collaboration_: Collective maintenance and improvement.

By prioritizing robustness and resilience, developers can ensure the reliability and continuity of their decentralized applications, even in the face of unexpected events or challenges, providing a stable and trustworthy experience for users.