The frenzy surrounding the launch of spot Bitcoin exchange-traded funds has yet to lose steam as Wall Street’s latest entrant offers supercharged versions of such products.

To Jamie Dimon, it's no better than a “pet rock.” To the late Charlie Munger, longtime lieutenant to Warren Buffett, it's “massively stupid.” And to US Senator Elizabeth Warren, it's a great tool if you’re a terrorist, drug dealer or fraudster.