(Bloomberg) -- With two of his most-formidable competitors in prison or likely headed there soon, Brian Armstrong has emerged as arguably the most-powerful leader in the digital-asset industry. And his ascendancy comes at an intriguing time: the start of campaign season for a US election that his company has described as “the most consequential in crypto’s history.”Most Read from BloombergTrump Risks Losing More Than Half of Swing-State Voters If Found GuiltyMusk’s $55 Billion Pay Package Voided