# FAQ ### 🧩 Basic Concepts > πŸ’‘ What is a zkProofer Node License? > > It’s an NFT-based license that grants the holder the right to operate verifier nodes (or delegate them) and earn rewards from Humanity Protocol’s identity verification ecosystem. *** > 🎟️ Am I actually buying an NFT? > > Yes. Once the sale concludes, you can mint your NFT, which represents your node license. *** > 🧠 What types of node NFTs exist? > > There are three possible types: > > β€’ **Basic Node** – 75% chance β†’ 1Γ— reward share > > β€’ **OG Node** – 20% chance β†’ 2Γ— reward share > > β€’ **Founder Node** – 5% chance β†’ 5Γ— reward share *** > 🎲 Is the draw random? > > Yes β€” the random assignment occurs at mint time, using an on-chain verifiable random function. *** ### πŸ’° Purchase Process > πŸ’΅ How can I participate in the sale? > > You’ll need **USDT on Humanity Mainnet** to purchase. All transactions are recorded on-chain. *** > πŸͺͺ Is KYC required? > > Not for purchase. However, **KYC is required** later when claiming node rewards. *** > 🧾 How many licenses can I buy? > > Each wallet can buy up to **5 licenses per tier** (unless whitelisted). *** > ❌ Can I get a refund? > > No. All purchases are **final and non-refundable**. *** > πŸͺ™ Can I buy from multiple tiers? > > Yes! All tiers open simultaneously, and you can purchase from any tier that’s still available. *** ### 🏷️ Whitelist Access > πŸ§‘β€πŸ’Ό What is the whitelist for? > > 50% of each tier’s supply is reserved for whitelisted users, who can buy before public allocations sell out. *** > β›” What happens if whitelist slots sell out? > > You can still purchase from the public pool (limited to 5 licenses per tier). *** > πŸ” Are whitelist and public purchases tracked separately? > > Yes. The system enforces and tracks both categories independently. *** ### 🧭 NFT Minting & Lockup > ⏳ When can I mint my NFT? > > After the sale ends, you can manually mint your NFT through the official website. *** > πŸ”’ Can I transfer or sell my NFT? > > NFTs are **non-transferable for 12 months** after minting. Transfers unlock automatically afterward. *** > 🧾 What information is included in the NFT metadata? > > β€’ Tier ID > > β€’ Price paid > > β€’ Timestamp > > β€’ Node Type (Basic / OG / Founder) > > β€’ Transfer unlock date *** ### πŸ‘₯ Referral Program > 🀝 Is there a referral program? > > Yes. Each user has a referral code (their Humanity ID). > > * **Direct referrals:** 10% commission > * **Indirect referrals:** 5% commission *** > πŸ’° When can I claim my referral rewards? > > After your referees complete their purchases. Rewards are capped by your total personal purchase amount. *** ### πŸͺ™ Node Rewards > 🎯 What benefits do node holders receive? > > Node holders earn: > > * **18% of total token supply** distributed over 4 years (Includes a **6-month cliff**, followed by **42 months of linear vesting**) > * **At least 25% of verification fees** shared among nodes *** > 🧩 Do rewards vary by node type? > > Yes. Reward shares depend on the NFT type: > > * Basic = 1Γ— > * OG = 2Γ— > * Founder = 5Γ— *** > βš™οΈ Do I need to run the node myself? > > You can either run it independently or **delegate** operation to Humanity Protocol’s team (off-chain delegation). *** ### πŸ”’ Security & Policies > 🧱 Are the contracts upgradeable or pausable? > > Contracts are immutable once deployed, but can be paused by the admin in emergencies. *** > πŸ” Is my purchase data safe? > > Yes. All transactions and minting data are recorded and verifiable directly on-chain. *** ### 🧾 Advanced Questions > πŸ“Š Why are there multiple tiers? > > Each tier has a unique price and quantity, allowing users to choose their entry level based on preference or budget. *** *** > πŸ” Is the blind draw on-chain? > > Yes. The draw happens on-chain at the time of minting for full transparency. *** > 🧩 My transaction failed β€” what should I do? > > Ensure you have enough **USDT** and **gas** in your wallet. > > If the issue persists, contact official support: πŸ“© [**support@humanity.org**](mailto:support@humanity.org) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.humanity.org/zkproofer-node/faq.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.