Security is paramount in blockchain networks, and Celestia has implemented robust mechanisms to ensure the integrity of its platform. This article examines Celestia’s security model, focusing on its use of cryptographic proofs, fraud proofs, and the Byzantine Fault Tolerant (BFT) consensus algorithm. Advanced users will appreciate detailed explanations of how Celestia mitigates various attack vectors, the role of validators and light clients in maintaining security, and the integration of data availability sampling to prevent data withholding attacks. We will also cover the security audits and formal verification processes that bolster Celestia’s resilience against threats.