The security of a smart contract begins in the code but does not end there. Administrative keys, wallets, integration services, oracles, interfaces, and upgrade processes can change an application's risk.
Design should make it clear which functions have privileges, how those privileges are protected, and what happens when a key is lost or compromised. Separation of duties and clear role boundaries reduce dependencies concentrated on a single person or device.
Reviews and audits can find relevant issues but are not permanent security certificates. A contract may interact with other systems while the threat context changes. Therefore, monitoring and response need to exist alongside deployment.
Before communicating security, the project should explain its assumptions and limitations. Transparency about risks allows users, partners, and technical owners to make more informed decisions.