The value of Bitcoin continued to fall over the weekend as it dropped below $34,000 (£27,630), according to the Coinbase cryptocurrency exchange.
The world's largest cryptocurrency by market value has now fallen by 50% since its peak in November last year.
On Monday, some Asian markets headed lower again with Japan's benchmark Nikkei index down by around 2.5%.
Bitcoin accounts for about a third of the cryptocurrency market with a total value of close to $640bn.
Ethereum, the second biggest cryptocurrency in the world, has also fallen in value, down by more than 10% in the last week.