Robinhood Chain Mainnet Launch Robinhood is bringing brokerage, crypto trading, tokenized stocks, and DeFi yields into one single gateway. Protocols like Uniswap, Morpho, Chainlink, and Ethena quickly joined the lineup, while the dYdX team sparked community controversy by launching a new DEX, Arcus, on Robinhood Chain. DYDX saw a sharp intraday drop.