Coinbase has launched U.S. stock trading, blending traditional and crypto finance even further. Robinhood keeps encroaching on the crypto market, while Coinbase is now striking back by entering the stock market. This time, with the U.S. stock launch, the derivatives market in Asia took the lead. Coinbase even rolled out an unprecedented trading event: , and at the same time, USDC margin offers a 3.5% APY.