Here some interesting articles :
Not even a month has passed since AllCrypt Bitcoin was taken down and another Altcoin exchange has been attacked by hackers. Cryptoine offers numerous markets that are generally absent from larger exchanges. Apparently, it has stopped operating due to a hack attack. Operators of Cryptoine have promised to reveal details but no specific time or date has been declared as of now.
https://www.hackread.com/bitcoin-altcoin-exchange-cryptoine-gets-hacked/
Another altcoin exchange has been hacked, not even a month after AllCrypt went down. Cryptoine, which offers a number of markets not available at larger exchanges, is down as of this morning, claiming a hack. The operators have promised to be forthcoming with details at an unspecified time and date.
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Multi-Signature Withdrawals More Necessary Than EverThis attack, along with other recent attacks such as the one on the Chinese exchange Bter, co-incides with wide-ranging calls in the community for broader implementation of multi-signature security. There is a lot of suspicion that exchanges are not implementing such because in most cases these supposed “hacks” are in fact inside jobs not unlike Ponzi schemes where the owners make off with the funds once there is a sufficient amount.
https://www.cryptocoinsnews.com/bitcoin-altcoin-exchange-cryptoine-hacked/