Discovery Challenge!  Ends: 03/09/18 @ Midday (12pm) GMT     Bitcointalk:  This week join the adventure by heading back to the discovery age, where some of the most prominent explorers roamed the globe, seeking out new and exotic lands to conquer. For the challenge we need you to seek out a specific series or coordinates to discover an unknown island off the coast of the pacific ocean. To uncover the coordinates you must roll 3 bets that all contain the following digits: 7, 8 and 9. Al