Binary Puma is the first 2 oz coin issued by the United Crypto States. MINT XXI revealed how the artistic and numerical worlds were converted by metal alloy into the craftsmanship of high-quality silver. Each 50 mm coin in the system has its unique key. Its availability proves the ideological values of Ethereum. The 0.001 Ether coin is the embodiment of the duality of currency in the physical and digital worlds, perfectly reflected in the binary system of numbers on the reverse of the coin in the impersonation of the puma.