TapSafe
A crypto payment gateway where providers create payment links, connect their wallets, and collect crypto payments.
Providers needed a simple way to request crypto payments: create an account, connect their wallets, generate payment links with prices and line items, and let customers pay from their own crypto wallets.
I built the payment flow end-to-end: provider accounts, connected Solana/XRP wallets, payment link creation with prices, products, and descriptions, customer checkout, wallet selection, QR-based desktop→mobile pairing, transaction building/signing, payment confirmation, Transak withdrawals, and admin permissions. A key challenge was amount precision: the customer sees the debt in EUR, chooses a crypto currency, and the system calculates the exact crypto amount to pay.
A working crypto payment gateway with provider wallets, payment links, customer checkout, QR/mobile wallet flow, confirmations, Transak withdrawals, and reliable EUR-priced crypto amount calculation.
- —Providers can create payment links with prices, products, and descriptions, then send them to customers for crypto payment.
- —Desktop→mobile QR pairing — scan with your phone, pay from a crypto wallet.
- —Integrated Transak so providers can withdraw collected funds through the platform.
- —Solved amount precision so EUR-priced invoices calculate the exact crypto amount the customer needs to pay.