SAN FRANCISCO — An innovative company lionized for devising ways to crack passwords to huge cryptocurrency accounts has fallen into disarray since it began emerging that the firm was secretly co-founded by a once-celebrated hacker publicly accused of repeated sexual assaults.The previously unreported role of Morgan Marquis-Boire in the company, Unciphered, has especially unnerved employees and contractors who held secret clearances during past work with the CIA, NSA and FBI and who had introduce...