Point-of-Sale Terminal
Dynamic Crypto QR Codes & Point of Sale.
Turn any smartphone, tablet, or web browser into an ultra-fast crypto register. Dynamic scan-to-pay QR codes confirm on-chain in 1 to 3 seconds with zero expensive hardware leases.
In-Person Checkout
How Dynamic QR Payments Work
Fast, effortless checkout for retail stores, pop-up events, and mobile service providers.
Enter Bill Total
Cashier enters the fiat or crypto total on any smartphone, iPad, POS register, or web browser in under 3 seconds.
Customer Scans QR
Customer scans the dynamic QR code using Phantom, MetaMask, Trust Wallet, or any mobile camera with exact pre-filled amounts.
Instant Verification & Receipt
Mempool detection approves the sale in 1 to 3 seconds with a green confirmation chime and printable digital receipt.
Interactive Terminal Preview
Cashier-Friendly POS Screen.
Try the cashier view: select an amount and experience instant dynamic QR generation and real-time on-chain confirmation.
Platform Architecture
POS & QR Payment Architecture
Designed to handle in-person retail, mobile merchants, and dynamic checkout kiosks.
Zero Hardware Leases
Eliminate costly proprietary card readers. Run JamsrPay POS on any existing iPad, Android tablet, smartphone, or desktop screen.
Dynamic Pre-Filled Amounts
Every QR dynamically encodes destination address, token standard, and exact crypto amount to eliminate customer transfer mistakes.
Multi-Store & Register Fleet
Manage unlimited physical branches, retail cash registers, food trucks, and event booths from a single unified merchant dashboard.
View-Only Cashier Safe Mode
Store clerks can create QR codes and view transaction receipts without ever having access to merchant private keys or withdrawal permissions.
Instant Audio-Visual Alerts
Cashiers receive audible chimes and full-screen green approval signals the moment the blockchain mempool registers the customer's transfer.
Digital Receipts & Tax Accounting
Customers can scan a QR code to download branded PDF tax receipts with itemized order breakdowns and blockchain transaction hashes.
Ready to scale your crypto payments?
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0.4% fees and zero chargeback fraud. Non-custodial multi-chain payment infrastructure built for modern developers.
POS FAQ
Frequently asked QR POS questions.
QR Payments
A static QR code displays a fixed wallet address (ideal for tip jars or charity drives), while a dynamic QR code automatically embeds the exact sale amount and unique order ID for zero-mistake POS checkout.