Wall Street is warming up to Bitcoin

"Some of the biggest names on Wall Street are warming up to Bitcoin, a virtual currency that for nearly a decade has been consigned to the unregulated fringes of the financial world," the N.Y. Times' Nathaniel Popper reports:

Why it matters: "The moves ... mark a dramatic shift toward the mainstream for a digital token that has been known primarily for its underworld associations and status as a high-risk, speculative investment."