The Test for the Ultimate Treasure Hunter
In his days of hunting treasure, Fenn never met a man that could hunt as he could. So, he buried the chest in a spot that only the most intelligent, driven, and experienced treasure hunter could find. Since he buried the treasure, he has estimated that roughly 350,000 people have tried to find it. We have no idea whether anyone has even gotten close to cracking the code. Fenn went on record and said "It could be found soon or 1,000 years from now" regarding the numerous attempts to track down the legendary box...
A Well Kept Secret
Evidently, not a single soul on Earth knows where the box is but Fenn. That includes his wife, family, and closest friends. He stated that "If I die tomorrow, the knowledge of that location goes in the coffin with me." That is, if he doesn't make it to the treasure chest right before he passes away...