Bitcoin Security: Trustless Private Messaging With Public And Private Key Cryptography Today

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As a Bitcoiner, you’re going to need a secure way to communicate privately, without relying on a company to encrypt your data for you. For example, freely available methods with end-to-end encryption like Telegram (not with its default option) and Signal and others are easy to use, but I don’t completely trust them.

This article will show you how to send messages using free open-source software, GNU Privacy Guard (gpg), which allows encryption and decryption using public and private key cryptography. It’s more tricky at first to DIY, but once you get the hang of it, it’s not that hard. I’ll take you through it step by step, just follow along and bookmark this article for future reference.

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