Cybrove
Industry Security Guide

Application Security for Crypto and Web3 Applications

Web3 applications are irrevocable by design — a smart contract bug can't be patched after deployment, and stolen crypto can't be reversed.

Compliance Requirements

AML/KYCTravel RuleMiCA (EU)State money transmitter laws

Top Security Risks for Crypto & Web3

Smart contract vulnerabilities (reentrancy, overflow)
Bridge and cross-chain exploits
Front-end attacks (DNS hijacking, phishing)
Private key compromise
Flash loan attacks on DeFi protocols

Security Checklist for Crypto & Web3

Audit smart contracts before deployment
Implement multi-sig for treasury wallets
Use hardware wallets for admin keys
Monitor for front-end DNS hijacking
Implement transaction signing verification
Deploy bug bounty program
Use timelocks on critical contract changes
Implement withdrawal delays for large amounts
Conduct formal verification where possible
Monitor on-chain activity for anomalies

Related Security Guides

Authentication Security Complete GuideDns Security GuideIncident Response Plan GuideApi Security Vulnerabilities

Frequently Asked Questions

What security does a crypto & web3 company need?

Crypto & Web3 companies need AML/KYC, Travel Rule, MiCA (EU) compliance, encryption at rest and in transit, access controls, vulnerability scanning, and an incident response plan. The specific requirements depend on the data you handle and the regulations that apply.

What are the biggest security risks for crypto & web3?

Smart contract vulnerabilities (reentrancy, overflow). Bridge and cross-chain exploits. Front-end attacks (DNS hijacking, phishing).

What compliance frameworks apply to crypto & web3?

Crypto & Web3 companies typically need AML/KYC, Travel Rule, MiCA (EU), State money transmitter laws. The specific requirements depend on your data types, geography, and customer requirements.

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