BCG has released and independently developed wallet application. A user can directly release the prediction smart contract trade and make predictions in the wallet application center. The prediction reward will be automatically transferred to the user’s wallet address after the prediction. The BCG wallet can use multiple signature technologies, can create organized groups or a group of persons jointly controlling the fund, and trading via multi-user approval. This feature is used for fund security guarantee prior to arbitration of the prediction results. The BCG wallet will connect payment of different applications on the network, encapsulate the technologies to API, provide them to third party developers, and assist more applications to connect the encrypted digital money payment.