Cryptography is the science of securing information by transforming it into unreadable code that only authorized parties can decrypt. This field powers everything from online banking and messaging apps to blockchain technology and digital payments. As cyber threats grow, organizations desperately need cryptography experts to protect sensitive data and build secure systems. You'll find opportunities in cybersecurity, fintech, government agencies, and tech companies – making it an excellent skill for career changers seeking high-demand, well-paying roles in our increasingly digital world.
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