Last week, privacy-focused crypto altcoin GRIN made news after the development team received a donation from an early Bitcoin whale interested in supporting future development of the budding technology built on a unique blockchain protocol called Mimblewimble, after Happy Potter lore. Now this week, that whale may regret the donation, as a former Google engineer...The post Former Google Engineer Uncovers 96% Of Privacy Altcoin Addresses appeared first on NewsBTC.