Centra Tech, Inc. has developed platforms that connect world commerce and cryptocurrencies. The Centra Card will make it convenient for card holders to spend their cryptocurrencies in all fiat currency transactions creating a true bridge to the world and cryptocurrencies. The CCE (Currency Conversion Engine) Module will enable customers to convert their blockchain assets to market value fiat to a obtain near-perfect exchange rates. Our customers will be able to send money using Centra Tech, Inc.'s mobile app in 8+ major cryptocurrencies to 100+ countries worldwide with-out being charged fees. Customers will be able to manage their Centra Card through the Centra Wallet available on iOS App Store & Google Play Store as well as desktop/web version. The whole experience will improve the online buying experience while eliminating the costs associated to interbank exchange rate fluctuations and excessive fees making your cryptocurrency spendable in real time.