Currency Bitcoin skids below $6,000, hits lowest level since November Updated : June 29, 2018 04:18 PM IST Virtual currencies, including the best-known and biggest, bitcoin, have been stuck in a downward trend for most of 2018 after last year's frenzied interest fizzled. The Bank of England on Thursday warned banks and insurers that they should be wary of crypto assets because they can be highly volatile and vulnerable to fraud. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.