The ZKX Protocol — a social derivatives trading platform built on the Ethereum Layer-2 network Starknet — has shuttered, with its founder saying there is no “economically viable path” forward for the protocol. In a July 31 post to X, ZKX founder Eduard Jubany Tur wrote that the protocol’s user engagement had been “minimal,” noting that only a few individuals had been mining the protocol’s rewards program. He added that trading volumes had “significantly decreased” and the protocol’s daily revenue could only cover a “fraction” of their cloud server expenses. Tur said ZKX had delisted all market…