http://www.asahi.com/ajw/articles/AJ201811240004.html
By Tatsuya Sudo
Senior Staff Writer
The Asahi Shimbun
November 24, 2018
Japanese white-hat hackers set up an online "stakeout" that uncovered IP
addresses of attackers who stole billions of yen in cryptocurrency from
the Zaif exchange.
The six-member team, led by security expert Takayuki Sugiura, created a
large number of transfer points for Monacoin, one of three
cryptocurrencies taken, believing that it would increase the likelihood
that the culprits would access them.
Osaka-based Tech Bureau Corp.'s Zaif cryptocurrency exchange had been
hacked to the tune of 7 billion yen ($63 million) in September.
Officials of the company said most of the stolen Bitcoin, Bitcoin Cash and
Monacoin was illicitly transferred from so-called hot wallets connected to
the Internet.
[...]
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