Ethan Marcus, CEO of Flashnet, dives into the future of Bitcoin trading, discussing on-chain advantages and fee wars with Coinbase. He reveals Flashnet's innovative Spark protocol, designed to beat Lightning by offering faster and cheaper transactions. The talk covers the challenges surrounding stablecoins, particularly the USDBitcoin, and shares insights from a $300k load test that showcased Spark's potential. Marcus envisions a more integrated Bitcoin-native financial ecosystem, emphasizing the evolution of on-chain exchanges.