Glossary of terms commonly used in the Wallet

Terms starting from T

2 Information

3D Secure

3D Secure is an authentication system developed by ViISA International for secure credit card transactions over the Internet. 3D Secure is used by VISA, MasterCard, and JCB, and is collectively called 3D Secure, although the name differs for each brand.


The TTB (Telegraphic Transfer Buying Rate) is the rate at which financial institutions purchase foreign currencies from customers for foreign currency deposits and other purposes.

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