Virtual money brokerage; financial transaction services relating to digital asset; issuance of membership credit card; financial services for the management of prepaid credit cards with membership card function; issuance of prepaid card with membership card function; providing rebates at participating establishments of others through use of a membership card; brokerage of mobile payment; issuance of mobile discount coupon in the nature of tokens of value; mobile banking services; transaction brokerage services in the field of non-fungible tokens (NFTs) provided via blockchain technology; issuance of non-fungible tokens (NFTs) provided via blockchain technology; e-wallet payment services; electronic processing of payments; processing payments for the purchase of goods and services via an electronic communications network