Quick TakeCrypto exchange FTX is launching a decentralized exchange (DEX) built on the Solana blockchain.“Solana is awesome,” FTX CEO Sam Bankman-Fried told The Block, arguing that the network is faster and cheaper than Ethereum.FTX is aiming to launch the DEX in a “week or two,” said Bankman-Fried.Called Serum, the DEX is interoperable with Ethereum.