Hackers steal $30m from top Seoul bitcoin exchange

Bithumb, which has more than 1-million customers, is the largest virtual currency exchange in the South.

Bithumb, which has more than 1-million customers, is the largest virtual currency exchange in the South.

Hackers stole more than $30-million worth of cryptocurrencies from South Korea’s top bitcoin exchange, sending the unit’s price falling around the world on Wednesday.

The virtual currency was priced at $6 442  late afternoon in Seoul, down about 4.4% from 24 hours earlier, after the latest attack on Bithumb raised concerns over cryptocurrency security.

Hyper-wired South Korea has emerged as a hotbed of trading in virtual units, at one point accounting for some 20% of global bitcoin transactions — about 10 times the country’s share of the global economy.

Bithumb — which has more than 1-million customers — is the largest virtual currency exchange in the South.

“It has been confirmed that virtual currencies worth ₩35-billion ($32-million) was stolen through late night yesterday (Tuesday) to early morning today,” the exchange said in a statement.

All deposits and withdrawals were suspended indefinitely to “ensure security”, it said, adding the losses would be covered from the firm’s own reserves.

It was the second major attack on South Korean virtual currency exchanges in just 10 days, after hackers stole ₩40-billion from Seoul-based Coinrail, which suspended withdrawal and deposits services since then.

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