Key insights: JPMorganChase's Kinexys blockchain unit is looking to scale digital assets, and is betting on growing demand. What's at stake: Banks and fintechs are selling services for stablecoins, cryptocurrency and tokenized deposits. Forward look: JPMorganChase is looking to attract banks as partners to scale on-chain finance. As rivals such as Citi stake a position in digital assets, JPMorganChase is preparing its blockchain unit for what it hopes is a much larger world. "Blockchain can touch al ...