Bitcoin’s technical contribution: Solving Byzantine General’s Problem

Bitcoin’s technical contribution: Solving Byzantine Generals Problem

How the 2008 Bitcoin white paper solved the classic computer science consensus problem

Figure 1: Illustration of the Byzantine Generals problem by Lord Belbury, CC BY-SA 4.0 / Source

Problem Statement

Byzantine Generals Problem (BGP) is named after an allegory where a number of generals need to cooperate and agree on attacking a city together at the same time to win the battle (figure 1-left). If any (n) of the generals retreat at …

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