Hana Financial Group has selected Dunamu and its overseas remittance and payment business as key areas of cooperation, and has chosen blockchain infrastructure company Lambda256 as the technical partner for this project, actively pursuing the business since June, Herald Economy reported. Lambda256, Dunamu's blockchain technology subsidiary, is responsible for implementing Hana Bank's overseas trade remittance services on the blockchain. It will develop smart contracts to process and record remittance transactions on Dunamu's enterprise blockchain, GIWA Chain, and integrate them with Hana Bank's existing foreign exchange and account systems.