GIWA Chain to Operate Under OP Enterprise Self-Managed Model, Upbit to Control Primary SequencerThe Optimism Foundation announced the signing of a memorandum of understanding with Dunamu, the parent company of South Korean crypto exchange Upbit, to co-develop GIWA Chain. The project was first announced by Upbit in September 2025 and is built using Optimism’s OP Stack.Optimism emphasized that GIWA Chain is planned to be the first deployment under the OP Enterprise Self-Managed model. Under this model, Dunamu ...