Crypto was red-hot in 2021 — so much so that it spawned a whole ecosystem of related products, including the first Bitcoin futures exchange-traded fund in the U.S. But can companies maintain enthusiasm for the growing industry as prices tumble in the new year? Hany Rashwan, co-founder and CEO of 21Shares, a provider of crypto exchange-traded products, joins this week's "What Goes Up" to talk about that and his company's plans for expanding its own offerings.
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