Proof-of-Work Blockchain-based Bitcoin (BTC-USD) mining is the world's most profitable use of energy, MicroStrategy (NASDAQ:MSTR) CEO Michael Saylor said during this year's DC Blockchain Summit on Tuesday. "I think that we should embrace digital energy," Saylor emphasized, adding that "it's possible some states won't embrace it as enthusiastically as others and that'll be in their detriment." While regulatory scrutiny on the decentralized space looms, especially following the collapse of stablecoin TerraUST (UST-USD) and its sister token Luna (LUNA-USD), "I think bitcoin mining is going to spread all around the country [U.S.]," Saylor said. Note the U.S. is the world's largest bitcoin miner, and "they will continue to lead if we don't get hostile regulation," Saylor added. Meanwhile, the network hashrate is hovering near all-time highs, which means more miners are verifying transactions on the blockchain, increasing the network's security. Earlier at the same event, Famed Shark Tank investor Kevin O'Leary,