The Amazon digital gift cards act just like U. Gave 3 to friends, and kept one for myself. Otherwise, great purchase. Despite being the world’s most famous digital currency, bitcoin has failed to crack into Amazon, the world’s largest retailer , though the company is considered by some to be the golden goose that might bring bitcoin usage to the mainstream. The price of bitcoin is more volatile than the price of many other government currencies accepted by Amazon, so there could be some challenge in pricing products. Year in Review I have never heard of these before but they are a great addition to my coin collection.