Knowledge Bank
Blockchain application design
Guide to designing blockchain applications
Blockchain application design
Effective blockchain application design requires careful consideration of architecture, security, and scalability.
Architecture patterns
On-Chain Components
- Smart contracts
- State management
- Access control
- Business logic
Off-Chain Components
- User interface
- Data storage
- API integration
- Business services
Design principles
1. Decentralization
- Appropriate data distribution
- Trust minimization
- Consensus mechanisms
- Network topology
2. Security
- Smart contract security
- Access control
- Key management
- Audit trails
3. Scalability
- Layer 2 solutions
- Data optimization
- Caching strategies
- Load balancing
Development stack
-
Frontend
- Web3 libraries
- UI frameworks
- State management
- API integration
-
Middleware
- Event listeners
- Cache layers
- API gateways
- Authentication
-
Blockchain Layer
- Smart contracts
- Network selection
- Gas optimization
- Storage patterns
Best practices
Smart contract design
- Modular architecture
- Upgrade patterns
- Gas optimization
- Security checks
Data management
- On-chain vs off-chain
- IPFS integration
- Database design
- Caching strategy
Integration patterns
- Event handling
- API design
- Error handling
- Transaction management
Always consider gas costs, transaction speed, and user experience when designing blockchain applications.