What’s the difference between domestic-grade encryption and international-grade encryption?

The difference between these two types of encryption is one of capability. Domestic-grade encryption is exponentially more powerful than international-grade encryption. Think of it this way: 40-bit encryption, also called international-grade encryption, means there are 240 possible keys that could fit into the lock holding your account information. Meaning there are many billions (a 1 followed by 9 zeroes) of possible keys. 128-bit encryption, also called domestic-grade encryption, means there are 288 (a three followed by 26 zeroes) times as many key combinations than there are for 40-bit encryption. A computer would require exponentially more processing power than for 40-bit encryption to find the correct key.

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