Mobile crypto âminingâ app possibly connected to personal data leak A 17GB personal data leak reportedly sprung from the Pi Network mobile app. 12451 Total views News 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. The identity cards of an estimated 10,000 Vietnamese citizens were placed for sale, along with connected home addresses, phone numbers and email addresses. The seller placed a price tag of $9,000 on the data, payable in either Bitcoin (BTC) or Litecoin (LTC).