THE BLOCK: South Korea’s top two crypto exchanges, Upbit and Bithumb, both reported roughly 50% decline in revenue in H1 2026, driven by declining trading volumes. Dunamu (Upbit): 408 billion won ($289.5M, -49.1% YoY) Bithumb: 168.7 billion won ($119.2M, -48.7% YoY) (The Block)