In this video I show some tips on using CryptEncode and CryptDecode that might save you some debugging time later.

Things you need to know about using encryption in Metatrader programming
Encryption is the process of converting plain text into a cipher text to protect sensitive information from unauthorized access. With Metatrader being a popular platform for trading, encryption techniques can be used to protect various aspects of the trading process, including trade orders, indicators, and expert advisors.
This tutorial covers a simple problem you might encounter using encryption and a more complex problem if you are planning to encrypt and decrypt on different systems.
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