Optimism and Upbit's Dunamu ink MOU to build GIWA Chain under new OP Enterprise model.

The Optimism Foundation has signed a memorandum of understanding with Dunamu — parent company of South Korean exchange Upbit — to co-develop GIWA Chain, a project first announced by Upbit in September 2025 and built on the OP Stack.

GIWA Chain is set to be the first deployment under Optimism's OP Enterprise Self-Managed model, a structure that gives the operating partner meaningful autonomy. Under the arrangement, Dunamu and Upbit will run the primary sequencer and retain control over core network decisions, while the Optimism Foundation provides engineering support, monitoring, and backup sequencer infrastructure.

The deal signals Optimism's push to attract large, regulated institutions into its ecosystem through a governance model that lets partners own their chain operations without forking away from the broader OP Stack network.

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Wu Blockchain ✓ @WuBlockchain · 7d ago

GIWA Chain to Operate Under OP Enterprise Self-Managed Model, Upbit to Control Primary Sequencer The 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 / Upbit will operate the primary sequencer and retain control over core network decisions, while the Optimism Foundation will provide engineering support, monitoring, and backup sequencer infrastructure. https://t.co/xeIP31XFQe

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