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Article | REF: H5538 V3

Cryptocurrencies and blockchains - How to create trust

Author: Jean-Paul DELAHAYE

Publication date: February 10, 2026 | Lire en français

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    Let's talk about this competition that takes place every 10 minutes between validator nodes to be designated the winner of 3.125 bitcoins.

    A cryptographic hash function is a function h which, as a result of symbols S (e.g., numbers and letters), associates another (shorter) sequence of symbols hS=R , and above all, which is such that it is impossible in practice for a possible...

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