1. Product concept: The B2B Hosted Checkout gateway architecture for Uzbekistan's e-commerce has been designed, combining the acceptance of Humo, Uzcard, Visa, Mastercard, UnionPay cards and wallets (Click, Payme, Uzum Pay).
2. Unified QR architecture: A technical logic has been developed for a universal dynamic QR code for the check amount with automatic diplink generation for bank and wallet applications (an analogue of SBP).
3. Integration layer: An open API specification and CMS module concepts have been formed to quickly connect online stores, delivery services, and Telegram bots into a single window.
4. Security and fiscalization: Support protocols for 3-D Secure, compliance with the PCI DSS standard through the partner bank's network, and scenarios for online cheque fiscalization through the FDO of the State Tax Committee of the Republic of Uzbekistan have been defined.