Skip to main content

Frequently Asked Questions

Common questions about HashNut.

General​

What is HashNut?​

HashNut is a non-custodial Web3 payment infrastructure that enables merchants to accept cryptocurrency payments across 164+ blockchain networks.

How does HashNut work?​

HashNut uses smart contracts to manage payments, ensuring funds are held securely on-chain until withdrawal. Merchants deploy contracts and receive payments directly.

Is HashNut custodial?​

No. HashNut is fully non-custodial. Funds are held in smart contracts on the blockchain, not in HashNut's custody.

Integration​

How do I get started?​

See Quick Start for a 5-minute integration guide.

What languages are supported?​

JavaScript/TypeScript, Python, and Java SDKs are available. See SDKs.

Do I need to deploy smart contracts?​

Yes, account creation deploys a smart contract. This is done through the dashboard with wallet connection.

Payments​

What chains are supported?​

HashNut supports 164+ chains including Ethereum, Polygon, BSC, TRON, and more. See Multi-Chain Support.

What tokens are supported?​

USDT, USDC, and many other ERC20/TRC20 tokens. Query available tokens via API.

What are the fees?​

Platform fees are transparent and calculated on-chain. See Fee Structure.

Security​

How secure is HashNut?​

HashNut uses audited smart contracts, non-custodial design, and HMAC-SHA256 authentication. See Security Model.

Are smart contracts audited?​

Yes. HashNut smart contracts undergo security audits.

Support​

How do I get help?​

More questions? Contact Support →