he popular cryptocurrency portfolio app, Blockfolio, downloaded over 100,000 times, with a Telegram chat group of more than 1,100 traders, has the ability to snoop on users’ positions.
It is recommended that all users discontinue usage immediately. Both Android and iOS versions are intentionally phoning home to Blockfolio and reporting all user positions, unique to each device.
http://bitcoinerrorlog.com/blockfolio-crypto-portfolio-app-is-snooping-on-users