JSON Web Token VS Flutter Multi-platform Sample

• Stateless
  Since JWTs are self-contained, they do not require server-side sessions, enabling stateless authentication and reducing server memory usage.
• Scalability
  JWTs can easily be used in distributed systems and microservices architectures due to their stateless nature, facilitating horizontal scaling.
• Decentralized Issuance
  Multiple issuers can create and sign their own tokens, allowing for more decentralized and flexible authentication mechanisms.
• Performance
  JWTs eliminate the need for database lookups during authenticating requests, as the token contains all the necessary information, which can lead to performance improvements.
• Cross-domain and Mobile Compatible
  JWTs are widely supported by different platforms and can easily be used in cross-domain situations and with mobile applications.
• Security
  JWTs can be signed and optionally encrypted, ensuring the authenticity and integrity of the data they carry.

Possible disadvantages

• Size
  JWTs tend to be larger than session IDs, which can increase the amount of data transmitted during requests.
• Expiration Handling
  Managing token expiration can be complex. Once a token is issued, it remains valid until it expires or is explicitly revoked.
• No Built-in Revocation
  Unlike sessions, JWTs cannot be easily revoked server-side, making it difficult to immediately invalidate tokens without additional mechanisms.
• Security Risks
  If a JWT is intercepted or compromised, it can be used until it expires. Thus, it should be properly secured and transmitted over HTTPS.
• Token Overhead
  Embedding too much information in the token payload can lead to performance overhead and potential data exposure risks.
• Complexity
  Implementing JWT correctly requires a thorough understanding of security practices and token lifecycle management, which can add complexity to the system.

• Multi-platform support
  The project demonstrates how to build a single Flutter codebase that runs on Android, iOS, Web, macOS, Windows, and Linux, showcasing Flutter's cross-platform capabilities in a practical example.
• Clean architecture approach
  The sample follows a structured and organized architecture pattern, making it easier for developers to understand best practices for structuring multi-platform Flutter projects with separation of concerns.
• Good reference for beginners
  It serves as a useful starting point and learning resource for developers who want to understand how to set up and configure a Flutter project that targets multiple platforms simultaneously.
• Open source by Mindinventory
  Backed by Mindinventory, a recognized Flutter development company, the project benefits from professional development practices and offers a trustworthy reference implementation for the community.
• Platform-adaptive UI demonstrations
  The sample shows how to adapt UI layouts and behaviors for different screen sizes and platform conventions, which is one of the more challenging aspects of multi-platform Flutter development.

Possible disadvantages

• Limited community engagement
  The repository has relatively low stars, forks, and contributions compared to other Flutter sample projects, which means fewer community-driven improvements, bug fixes, and discussions.
• Sparse documentation
  The project lacks comprehensive documentation, detailed setup guides, and thorough explanations of architectural decisions, making it harder for newcomers to fully understand and leverage the codebase.
• Infrequent updates
  The repository does not appear to be actively maintained with regular updates, which may lead to compatibility issues with newer Flutter SDK versions and outdated dependency usage.
• Limited real-world complexity
  As a sample project, it covers basic multi-platform scenarios but does not address more complex real-world challenges such as platform-specific plugin integration, advanced state management, or production-level error handling.
• Minimal testing coverage
  The project appears to lack comprehensive unit tests, widget tests, and integration tests, which limits its value as a reference for production-quality multi-platform Flutter development practices.

JSON Web Tokens Suck - Randall Degges (DevNet Create 2018)

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• Sessions vs JWTs: you are choosing how often you pay for state

  A JWT is signed, not encrypted. Anyone holding the token can read every claim inside it. jwt.io will do it for you in a browser. - Source: dev.to / about 2 months ago

• I built 6 free dev tools to skip the signup walls — here's what I learned

  You know that moment when you just want to decode a JWT, but jwt.io wants you to log in to "save your tokens"? Or when you need a quick curl command and Postman's 200MB Electron app feels like overkill? - Source: dev.to / 5 months ago

• How Broken Access Control Became OWASP's Top Security Risk

  JWT.io documentation emphasizes a common access control failure specific to token-based authentication: accepting role or permission claims from a JWT without verifying the token's signature. Tokens that can be modified by users without... - Source: dev.to / 6 months ago

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Tracking Flutter Multi-platform Sample since Sep 2021.