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2024-12-06 15:38:21

maiakee on Nostr: An important concept in the world of Bitcoin called the “Byzantine Generals ...



An important concept in the world of Bitcoin called the “Byzantine Generals Problem.” This problem is about ensuring trust and reliability in a system where some participants might be dishonest. Imagine a group of military generals planning an attack on a city. If one of the generals is a traitor and sends false information, the entire operation could fail. So, how can the generals be sure the information they receive is true?

The solution to this problem lies in cryptography—a technology used to protect information. In Bitcoin, cryptography ensures that once data is recorded, it cannot be changed without being detected. Bitcoin uses a special mathematical function called SHA-256 to create a unique “hash” of every block of data, such as transaction records. If someone tries to alter the data, the hash changes drastically, making it immediately obvious that the information has been tampered with.

This system has kept Bitcoin secure and unchanged since it was created in 2009.

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