serpeblu/iStock via Getty Images Square (SQ) will proceed with building a hardware wallet and service "to make bitcoin custody more mainstream," Square Hardware Lead Jesse Dorogusker said in a tweet yesterday. It's still early in the process, though. "Our next step is to build a small, cross-functional team" that will be led by Max Guise, Dorogusker said. "We will incubate this full-stack of tech, design, product, manufacturing, and supply chain," he added. On Friday morning, bitcoin (BTC-USD) stays stable at ~$32.8B. Early in the morning, Elon Musk was talking down bitcoin and talking up dogecoin, saying "BTC & ETH are pursuing a multilayer transaction system, but base layer transaction rate is slow & transaction cost is high." He said he sees merit in doge "maximizing base layer transaction rate & minimizing transaction cost with exchanges acting as the de facto secondary layer." Ether (ETH-USD) falls 3.9% over the last 24 hours to