TOKYO -- Bitcoin suffered its biggest weekly loss for the year amid a string of regulatory setbacks, posing fresh challenges in broadening the appeal of cryptocurrencies.
Slide of 30% poses challenges in widening cryptocurrency’s appeal

The price of bitcoin has fallen more than 80% since its peak in December
TOKYO -- Bitcoin suffered its biggest weekly loss for the year amid a string of regulatory setbacks, posing fresh challenges in broadening the appeal of cryptocurrencies.