Amazon.com Inc.’s payments team is exploring letting customers use cryptocurrencies to pay for their orders — a development that’s roiling digital currency markets.

An Amazon job posting published online last week seeks a “Digital Currency and Blockchain Product Lead.” After Insider reported the existence of the posting earlier, Bitcoin surged near $40,000. Amazon shares gained about 1% in New York at 10:22 a.m.

“You will leverage your domain expertise in Blockchain, Distributed Ledger, Central Bank Digital Currencies and Cryptocurrency to develop the case for the capabilities which should be developed,” the posting says. “You will work closely with teams across Amazon including AWS to develop the roadmap including the customer experience, technical strategy and capabilities as well as the launch strategy.”