Implement secure JWT authentication with refresh tokens and best practices
# JWT Authentication Guide
## JWT Basics
- Understand token structure
- Use proper signing algorithms
- Set appropriate expiration
- Store tokens securely
## Refresh Tokens
- Implement refresh token rotation
- Store refresh tokens securely
- Handle token refresh flow
- Revoke tokens properly
## Security Best Practices
- Use HTTPS only
- Validate token signatures
- Implement token blacklisting
- Set short expiration times
## Implementation
- Create middleware for verification
- Handle token in headers
- Implement logout properly
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