Upbit operator Dunamu taps Optimism Foundation to build GIWA Chain as first self-managed enterprise L2May 5, 2026
Blockchain Upbit operator Dunamu taps Optimism Foundation to build GIWA Chain as first self-managed enterprise L2May 5, 2026 Dunamu, the Seoul-based fintech company behind South Korea’s dominant crypto exchange Upbit, has tapped the Optimism Foundation to underpin and…