Coinblok™ is a simple, instant, and secure medium to exchange fiat (including USD, GBP, CNY & JPY) for Bitcoin and other virtual currencies, in-person, at Coinblok™ retail-service locations. In addition to offering fiat-to-cryptocurrency (and vice-versa) exchanges, Coinblok™ stores also provide consumers with a service for which they can trade crypto-to-crypto. Fundamentally, Coinblok™ offers physical retail locations for consumers to walk into the store and initiate real-time transactions. Coinblok™ retail-service locations provide much-needed transparency and instant liquidity to existing and prospective consumers in the cryptocurrency market.