Prompt

Evaluate and design blockchain architecture.

<use_case>
{describe problem blockchain might solve}
</use_case>

<requirements>
- Participants: {who's involved}
- Trust model: {describe needs}
- Performance: {TPS required}
</requirements>

<constraints>
- Regulatory: {compliance needs}
- Cost: {budget constraints}
- Integration: {existing systems}
</constraints>

Evaluate and design:
1. Blockchain necessity analysis
2. Platform selection
3. Consensus mechanism
4. Smart contract architecture
5. Off-chain components
6. Integration approach

Consider alternatives to blockchain.