CoinTelegraph reports: Major Turkish crypto exchange BtcTurk came forward about a data hack from mid-2018 that leaked sensitive information of over 500,000 users. According to the official announcement, the stolen data set contains BtcTurk users’ names, citizen ID numbers, emails, addresses, birthdates and mobile phone numbers. The stolen data set first appeared on an online forum for sale last Friday with sample information as proof. Read more on CoinTelegraph. In other cryptocurrency hack news, CoinTelegraph also reported: Pi Network, a cryptocurrency mining app for mobile users, may have been connected to 17GB worth of personal data leaks, a Vietnamese news outlet reported on Monday. The treasure trove of personal data was apparently taken from the Know Your Customer checks of users of Pi Network, according to the person who posted it to hacker hangout RaidForums on Thursday. […] Phien Vo, a moderator of a Vietnamese Pi Network group chat channel, told VnExpress that Pi Network’s KYC checks are performed by a third party, adding that Vietnamese identity cards like those in question aren’t compatible with the app. However, Vo did indicate that an older version of the app was compatible with the cards at one point. Read more about that incident on CoinTelegraph.