WARMKEY is a secure, non-custodial crypto payment gateway designed to give you full control over your digital assets.
With WARMKEY, your mobile device becomes a powerful signing tool that protects your funds and lets you approve every transaction with confidence. The app supports multiple EVM-compatible blockchains and provides cold-wallet-like security without requiring additional hardware.
WARMKEY is perfect for merchants, developers, and everyday users who want a safe, decentralized way to manage crypto payments. Each transaction is verified and signed only with your approval, giving you complete ownership and protection at all times.
Key Features
1. Full self-custody and asset control
2. User-approved transaction signing
3. Multi-chain compatibility
4. Cold-wallet-style security on any supported device
5. Simple setup for merchants and developers
6. Decentralized, smart-contract–driven protection
WARMKEY makes crypto payments safer, easier, and fully controlled by you.