Business advertising, consulting, marketing, promotion and public relations services; business networking services; business introduction services in the field of digital currency exchanges; business referral services in the field of digital currency exchanges; internet advertising services; advertising services, namely, cost-per-action on-line advertising; distribution of advertising for others via the Internet; business marketing services for online marketing and advertising related to the digital currency industry; rental of online advertisement space and online advertising material; advertising and marketing via electronic mail and/or text message; business marketing consultation, namely, promoting services and/or goods of others using search engine analytics; dissemination of advertising for others via public and private wireless networks for display on mobile devices; providing a searchable on-line advertising website and guide featuring the goods and services of other vendors via the Internet; advertising and directory services, namely, promoting the services of others by providing a web page featuring links to the websites of others; providing a searchable online advertising website and informational guide featuring the goods and services of other vendors via the internet in the field of digital currency