Smart contract security refers to the practices and technologies used to identify, prevent, and mitigate vulnerabilities in blockchain-based contracts. It involves code audits, formal verification, and continuous pentesting to prevent exploits like reentrancy, logic flaws, and privilege escalations, ensuring trust, reliability, and financial safety.

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Smart contract security audit services identify vulnerabilities by analyzing code, testing for exploits, and simulating attacks. They help ensure contract integrity, prevent hacks, and meet compliance standards before deployment, reducing financial and reputational risks in blockchain platforms.

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Smart contract audit costs range from $5,000 to $100,000+, depending on code complexity, audit depth, and firm reputation. Continuous pentesting solutions may have subscription-based pricing for ongoing security testing.

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Code readiness – Ensure the contract is feature-complete, compiled without errors, and follows best practices (e.g., Solidity’s latest version).

Testing coverage – Conduct unit and integration tests with tools like Hardhat, Foundry, or Truffle, achieving high test coverage (>80%).

Gas optimization – Refactor expensive operations to prevent unnecessary DoS risks and improve efficiency.

Access control validation – Verify role-based permissions, upgradeability logic, and ownership mechanisms to prevent privilege escalation attacks.

External dependencies – Audit third-party libraries and oracles (e.g., Chainlink) for security risks.

Comprehensive documentation – Provide auditors with architecture diagrams, function explanations, previous audits, and security assumptions for clarity.