Key Takeaways
- • Hana Financial Group, POSCO International, and Dunamu (Upbit operator) signed a trilateral memorandum of understanding to jointly develop blockchain-based cross-border remittance and financial services, leveraging Dunamu's proprietary "Giga Chain" blockchain infrastructure.
- • The collaboration targets real-time overseas remittance services, blockchain-enabled global payment settlement, and replacement of legacy SWIFT protocols with blockchain messaging, positioning the three entities to modernize international money transfer infrastructure.
- • POSCO International will integrate its global supply chain and trade data onto Giga Chain to enhance transparency and efficiency in large-scale B2B fund settlements, while Hana Financial contributes its established foreign exchange network.
- • Dunamu's Giga Chain, launched in September 2025, serves as the technological foundation for the partnership and is positioned as a base network capable of supporting diverse financial services, comparable to Coinbase's infrastructure model.
- • The agreement represents a strategic convergence of traditional finance (Hana), industrial commerce (POSCO International), and digital assets (Dunamu) to establish competitive advantages in blockchain-enabled digital finance across remittance, payments, and trade finance.
Summary
Hana Financial Group, POSCO International, and Dunamu—the operator of South Korea's largest digital asset exchange, Upbit—announced a formal partnership on April 29, 2026, through a memorandum of understanding aimed at developing blockchain-based financial infrastructure. The three-way collaboration targets innovation across finance, digital assets, and global trade, with explicit focus on modernizing cross-border remittance services and payment settlement mechanisms.
The partnership centers on Dunamu's proprietary "Giga Chain" blockchain, a native network launched by the company in September 2025. According to the announcement, Giga Chain is engineered to serve as a foundational layer for diverse financial services, modeled architecturally on comparable systems operated by global cryptocurrency exchanges. The collaboration will prioritize three core initiatives: establishment of real-time overseas remittance services based on Giga Chain; development of financial infrastructure for efficient global money management and payment settlement; and identification of emerging digital financial business opportunities across the three entities' operating domains.
Dunamu plans to convert existing SWIFT (Society for Worldwide Interbank Financial Telecommunication) protocols to blockchain-based messaging on Giga Chain, representing a fundamental shift in how international fund transfers are processed. POSCO International will contribute its extensive global trade data and supply chain networks to the blockchain infrastructure, enhancing transparency and operational efficiency in large-scale B2B transactions and fund settlements. Hana Financial Group will integrate its established foreign exchange networks into the ecosystem, providing institutional banking access and regulatory credibility to the blockchain-enabled payment system.
CEO Oh Kyung-seok of Dunamu stated that the company envisions Giga Chain's technology as foundational infrastructure for achieving a more efficient and transparent on-chain financial environment. The collaboration represents a significant convergence of traditional financial services, industrial commerce infrastructure, and digital asset innovation—positioning the three entities to establish competitive advantages in blockchain-enabled cross-border finance and remittance services ahead of broader industry adoption.
The partnership centers on Dunamu's proprietary "Giga Chain" blockchain, a native network launched by the company in September 2025. According to the announcement, Giga Chain is engineered to serve as a foundational layer for diverse financial services, modeled architecturally on comparable systems operated by global cryptocurrency exchanges. The collaboration will prioritize three core initiatives: establishment of real-time overseas remittance services based on Giga Chain; development of financial infrastructure for efficient global money management and payment settlement; and identification of emerging digital financial business opportunities across the three entities' operating domains.
Dunamu plans to convert existing SWIFT (Society for Worldwide Interbank Financial Telecommunication) protocols to blockchain-based messaging on Giga Chain, representing a fundamental shift in how international fund transfers are processed. POSCO International will contribute its extensive global trade data and supply chain networks to the blockchain infrastructure, enhancing transparency and operational efficiency in large-scale B2B transactions and fund settlements. Hana Financial Group will integrate its established foreign exchange networks into the ecosystem, providing institutional banking access and regulatory credibility to the blockchain-enabled payment system.
CEO Oh Kyung-seok of Dunamu stated that the company envisions Giga Chain's technology as foundational infrastructure for achieving a more efficient and transparent on-chain financial environment. The collaboration represents a significant convergence of traditional financial services, industrial commerce infrastructure, and digital asset innovation—positioning the three entities to establish competitive advantages in blockchain-enabled cross-border finance and remittance services ahead of broader industry adoption.
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