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JD Vance has hailed the arrival of cryptocurrencies into the US economy’s “mainstream”, vowed to establish “pro-innovation” rules for digital assets, and praised the crypto billionaires who backed Donald Trump’s White House bid last year.

Speaking to thousands of orange-clad bitcoin investors in Las Vegas on Wednesday, the US vice-president touted the emergence of crypto, and predicted that the number of Americans holding bitcoin would soon double.

“This is a movement — and I’m proud to stand with you here today,” said Vance from a stage named after Satoshi Nakamoto, the pseudonymous…