We use three-factor authentication: SMS-code, email-code and PIN-code. Even if a virus attacks your computer, it will not be able to read the code from the SMS. And if the virus attacks your smartphone, it will not be able to read the the PIN-code or email-code.
Flexible security configuration system - you can turn on only those security systems that are convenient for you.
The Matbea affiliate program has several levals. Invite your friends and you will receive not only a percentage of their Bitcoin, Litecoin, Dash, and Zcash purchases, but also a percentage of the purchases of their friends and friends of the friends up to maximum level.