General Questions
What is PayFon?
PayFon is a cryptocurrency payment platform that enables instant, fee-free payments between users using USDT. PayFon supports USDT across 4 major networks (Ethereum, Polygon, Tron, and Solana), so you never have to worry about which network you're using.
How do I get started?
Simply create an account, set up 2FA for security, get your QR code, and start receiving payments. Add funds by sending USDT from any supported network to your deposit address.
Is PayFon free to use?
Yes! PayFon charges zero fees for payments between users. You only pay network gas fees for deposits and withdrawals.
What cryptocurrencies does PayFon support?
PayFon supports USDT (Tether) across 4 major blockchain networks: Ethereum, Polygon, Tron, and Solana. You don't need to worry about which network you're using—PayFon handles it automatically.
Do I need to download an app?
No! PayFon works as a Progressive Web App (PWA), so you can use it directly in your web browser on any device.
Payment Questions
How fast are payments?
Payments between PayFon users are instant—they complete in milliseconds with no waiting for blockchain confirmation.
Can I pay someone who isn't a PayFon user?
They need to create a PayFon account first. Once they have an account, you can pay them instantly with zero fees.
Can I scan QR codes from photos?
Yes! PayFon supports gallery scanning, so you can scan QR codes from photos saved in your gallery—perfect for remote payments.
What if I lose my QR code?
Your QR code is permanent and can be accessed anytime from your account. It never expires or changes.
Do I need to know which blockchain network to use?
No! PayFon supports USDT on 4 major networks (Ethereum, Polygon, Tron, and Solana). You can send USDT from any supported network, and PayFon will automatically detect and credit your account. No need to worry about network compatibility.
Security Questions
Is PayFon secure?
Yes! PayFon implements all security best practices including mandatory 2FA (Two-Factor Authentication), industry-standard HD wallet technology (BIP44), the same security used by major hardware wallets. All webhooks are cryptographically verified, and we use enterprise-grade security practices.
Is 2FA required?
Yes! PayFon requires Two-Factor Authentication (2FA) for all accounts to ensure maximum security. You'll set up 2FA using a TOTP authenticator app (like Google Authenticator or Authy) when you create your account.
Where are my funds stored?
Funds are automatically swept to secure hot wallets managed by PayFon. Your deposit addresses are derived from a secure master seed using HD wallet technology.
Can I withdraw my funds?
Yes! You can withdraw your funds to any external cryptocurrency wallet on any supported network at any time. Minimum withdrawal is 10 USDT.
Technical Questions
What blockchain networks does PayFon support?
PayFon supports USDT on 4 major networks: Ethereum (most secure), Polygon (fast, low fees), Tron (high-speed, minimal fees), and Solana (ultra-fast, near-zero fees). You don't need to worry about which network to use—PayFon handles it automatically.
How are deposits detected?
PayFon uses advanced Custom GraphQL webhooks from Alchemy to monitor blockchain transactions across all supported networks in real-time, detecting deposits within seconds regardless of which network you use.
What is HD wallet technology?
HD (Hierarchical Deterministic) wallets generate all addresses from a single master seed, making backup and recovery easier while maintaining security. This is the same technology used by major hardware wallets like Ledger and Trezor.