FatTail - FatTail simplifies the entire advertising process, from proposal to billing, and every step in between. 

Coinramp - The Coinramp Card lets you ‍spend over 10+ cryptocurrencies like cash, online, in-stores and ATM withdrawals. Available in 100+ countries, no ID needed. Anonymous Crypto Cards

Doorboost - Doorboost is an online advertising software enabling users to create, analyze and optimize campaigns on Facebook, Instagram and Google.

ABcard - ABcard - service allows you to issue an unlimited number of cards to pay for advertising accounts. 3 unique BINs for any work tasks, management of a team of media buyers inside a personal account and complete anonymity when paying for traffic.

AdNgin - Increase your website ad revenue with automatic a/b testing.

PST.NET - Virtual payment cards for online shopping and advertising