# PROTECT YOUR IMPLEMENTATION

- [Visitor Identification](https://docs.guardianstack.ai/documentation/protect-your-implementation/visitor-identification.md): Accurately identify visitors on your website to prevent fraud, account takeovers, and abuse.
- [Request ID Security](https://docs.guardianstack.ai/documentation/protect-your-implementation/request-id-security.md): Protecting your fraud detection from replay attacks
- [New Account Fraud Prevention](https://docs.guardianstack.ai/documentation/protect-your-implementation/new-account-fraud-prevention.md): Detect and block users creating multiple accounts to exploit your platform. Learn how to use device fingerprinting to connect fake accounts to the same device.
- [Payment Fraud Prevention](https://docs.guardianstack.ai/documentation/protect-your-implementation/payment-fraud-prevention.md): Stop fraudulent orders and chargebacks by linking payment attempts to devices. Identify returning fraudsters instantly, even when they use new cards, emails, or identities.
- [Account Takeover Prevention](https://docs.guardianstack.ai/documentation/protect-your-implementation/account-takeover-prevention.md): Stop unauthorized access while speeding up logins for recognized users. Adapt authentication requirements in real-time based on device recognition and risk signals - require MFA only when it matters.
- [Returning User Experience](https://docs.guardianstack.ai/documentation/protect-your-implementation/returning-user-experience.md): Recognize returning visitors instantly — without cookies, logins, or personal data. Create personalized, frictionless experiences that span sessions, devices, and browsers.
- [Web3 Fraud Prevention](https://docs.guardianstack.ai/documentation/protect-your-implementation/web3-fraud-prevention.md): Your smart contract is blind to who calls it. Add an identity layer with cryptographic signatures that block bots, scripts, and multi-wallet farming.
- [Employee Device Trust](https://docs.guardianstack.ai/documentation/protect-your-implementation/employee-device-trust.md)


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