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

Cryptominded - Where you learn more about cryptocurrencies

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.

Crypto.Study - Hacker News for cryptocurrency and blockchain

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

Coin Demo - Visual demonstration of how bitcoin transactions work