The price of bitcoin fell by 10% early on Monday morning, to a one-month low just above $54,000, trading data.
On the largest cryptocurrency exchange Binance, bitcoin was trading down 10.4% at $54,394, as of 2:12 GMT.
According to the Coinmarketcap portal, which calculates the average price for more than 20 exchanges, the price of bitcoin fell by 11.5% over the past day.
The last time the price of bitcoin fell to $54,000 was in early July, before that — in late February.