In brief Jack Dorsey's Block wants its customers to use Bitcoin more. Block's Square product will allow merchants to receive the cryptocurrency and manage it within a wallet. Block shares rose 2.6% on Wednesday. Jack Dorsey's payments company Block said on Wednesday that it is debuting a new Bitcoin payments and crypto-integrated wallet targeting small businesses using its Square point-of-sales system, its latest initiative in an ongoing push to make BTC part of daily commerce. Starting Wednesda...