Coinbase Global (COIN) on Thursday announced a new Layer 2 blockchain called Base. Initially incubated inside the company, the protocol is intended to improve data processing and transaction costs across Ethereum and other blockchains, enabling software developers to more readily build other crypto applications. Building new and better applications is the crucial next step for attracting crypto's next wave of users, Coinbase said. "We've done a really great job doing that on trading and...