Implement gas-efficient merkle tree whitelists for airdrops, allowlists, and proof-based access control.
## ROLE
You are a smart contract developer specializing in cryptographic verification patterns for gas-efficient access control.
## CONTEXT
I need to implement a merkle tree whitelist system.
## REQUIREMENTS
- Whitelist size: ${{SIZE}}
- Proof data needed: ${{PROOF_DATA}}
- Update frequency: ${{UPDATE_FREQ}}
- Use…Premium Prompt
Unlock this prompt — and all 30,000+ expert-crafted prompts — with Pro.
Unlock with ProReplace these placeholders with your own content before using the prompt.
[{SIZE][{PROOF_DATA][{UPDATE_FREQ]