3D Secure, also known as Verified by Visa, Mastercard SecureCode, or American Express SafeKey, is a security protocol developed by Visa, Mastercard, and American Express to provide an additional layer of security for online transactions. The protocol involves redirecting customers to a separate page, where they are required to enter a personal authentication code or password, to verify their identity.
The most reliable way to obtain your keys is using a specialized GodMode9 script Prepare the Script : Download a key-dumping script (often named dumpkeys.gm9 ) and place it in the sd:/gm9/scripts/ folder on your 3DS SD card. Launch GodMode9 : Hold the 3ds aes keys
The 3DS’s AES engine has multiple hardware "slots" (0x03 to 0x3F). Each slot is designed for a specific purpose: 3D Secure, also known as Verified by Visa,