Notoriously volatile, cryptocurrency has long been seen as a niche investment on the verge of going mainstream. But increasingly digital tokens are being integrated into traditional finance. The US approved the sale of exchange traded funds linked to Bitcoin in January. The industry also seems to have moved on from the collapse of FTX, the digital currency exchange, in 2022. Bitcoin, up some 50% in 2024, is even in focus in the US Presidential race. Our cross asset reporter Emily Graffeo joins Caroline Hepker to explain why it's getting easier to invest in cryptocurrencies and who is buying them.

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