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Bitcoin and Blockchain Are Among the Fastest-Growing Skills Online

With the price of bitcoin topping $6,000, workers with expertise in cryptocurrencies are in high demand.
Inside Bitmain Technologies Ltd.'s Bitcoin Mine
Photographer: Qilai Shen/Bloomberg

As cryptocurrencies explode in popularity, employers are clamoring for workers with expertise in the emerging field. 

Demand for online freelancers who specialize in blockchain and bitcoin-related work surged last quarter, according to data compiled by  Upwork, a website that connects freelancers with employers. The two skills were respectively the second and third fastest-growing skills on Upwork’s platform.