You need to check out this really cool coin that has an amazing hidden feature Ifeadi C. 00:40 Mashable, Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsThe iPhone XR is now available for pre-orderLooking to upgrade? Shop 4K TVs on sale from Sony, Samsung, LG, Vizio, and moreApple iPads on sale, plus laptop deals from Lenovo, HP, Dell, Microsoft, Alienware, and moreGoogle Pixel 3 and Pixel 3 XL review: Android's finestBest deals for Oct. 15: Save on Sony headphones, 4K TVs, iPads, CBD oil, Keurigs, Crock-Pots, and moreSnag a Dyson vacuum on sale: The super powerful V6 handheld is discounted at Walmart