A South Korean cryptocurrency exchange said it suffered a “cyberintrusion,” prompting bitcoin prices to fall sharply toward year lows. Bitcoin dropped more than 10% over the weekend, falling below $6,700, according to research site CoinDesk.

The largest cryptocurrency has lost more than half its value this year, falling by nearly two thirds from its record high near $20,000 in December. Its low for the year came in February at less than $6,000. Read more from wsj.com…

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