A system and method for facilitating cross-border financial transactions through a money movement transaction marketplace. The system allows users to trade cross-border transaction requests, matching complementary payment needs to enable conversion into domestic equivalents. It includes a matching engine for identifying transaction pairs, a conversion module for domestic settlement, and a compliance framework supporting Anti-Money Laundering (AML) and Know Your Customer (KYC) protocols. The marketplace reduces costs by enabling peer-to-peer trading of transactions, bypassing intermediaries and standard currency conversion processes. The system supports dynamic exchange rate determination, multi-currency operations, and integration with financial institutions via standardized Software System's Interfaces (e.g., APIs). Secure communication, encrypted data handling, and fraud detection mechanisms ensure compliance and reliability. By addressing inefficiencies in traditional cross-border systems, the invention promotes financial inclusion and aligns with global goals to provide accessible, cost-effective solutions for underserved populations while ensuring transparency and scalability in cross-border payments.

Provided is a device supporting financial services, and an integrated system that incorporates technologies such as QR codes, blockchain, distributed finance (DeFi), non-fungible tokens (NFT), and metaverse into financial services. Furthermore, the present disclosure relates to a method and a device for providing blockchain-based financial services and, more particularly, to a method and a device for providing services of making a payment or exchanging money through blockchain-based cryptocurrency that is performed in real time without a delay in processing time. Further, the present invention relates to: an ATM device that determines forgery/falsification of an ID card in an account opening process and authenticates the identity of an ID card holder by comparing the face of the ID card holder with the face of a photo of the ID card; and an operating method therefor. Moreover, the present disclosure relates to an electronic access management system using QR codes.