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  • Photo du rédacteurMichael F. Gilbourne




Satoshi might be dwelling on his childhood memories in The 10 of Cups card:

Reflecting on my childhood, I recall engaging with the forces of nature and building under the sun. As I ponder upon my life now, it's clear that everything I did was intentional, driven by my dreams. I was fortunate to lead and be part of influential groups, gaining popularity in the process. Currently, I am enveloped by love and admiration for creating Bitcoin.


The creation of Bitcoin was the result of a convergence of various influential factors and ideas. Early influences included the views of notable economists like F.A. Hayek, who, as far back as 1974, advocated for a monetary system independent of government control. This concept of a non-governmental currency laid the groundwork for Bitcoin's development.

In 1993, 'The Cypherpunk's Manifesto' emerged, articulating the goals of the cypherpunk movement. Among these objectives was the creation of an electronic currency capable of facilitating anonymous transactions. This vision resonated with the idea of a decentralized digital currency, which later became a central component of Bitcoin.

The 2008 financial crisis acted as a catalyst for Bitcoin's birth, highlighting the fragility and shortcomings of traditional financial systems. This event provided further impetus for the development of an alternative, decentralized financial system.

Within the cryptography community, including cypherpunks, a strong emphasis was placed on safeguarding online privacy and developing digital cash solutions. These early endeavors laid the foundation for the cryptographic principles that underpin Bitcoin.

The concept of blockchain, a distributed ledger system, emerged alongside Bitcoin. It incorporated a proof-of-work mechanism, as prominently seen in Bitcoin's blockchain. Other concepts like proof of time and proof of stake also played a role in the development of blockchain technology.

Byzantine Fault Tolerance (BFT) was a crucial aspect of distributed networks that allowed for consensus even when some network nodes were unresponsive or provided incorrect data. Satoshi Nakamoto's proof-of-work algorithm was a solution to the Byzantine Fault Tolerance problem. BFT aimed to protect against system failures, particularly in scenarios like double spending. While the Byzantine Generals' Problem had been described earlier, Satoshi's White Paper provided a solution that was previously elusive. This contribution was pivotal in ensuring the security and integrity of the Bitcoin network.

The problem was eloquently explained in a paper by Leslie Lamport, Robert Shostak, and Marshall Pease at Microsoft Research in 1982.

Imagine that several divisions of the Byzantine army are camped outside an enemy city, each division commanded by its own general. The generals can communicate with one another only by messenger. After observing the enemy, they must decide upon a common plan of action. However, some of the generals may be traitors, trying to prevent the loyal generals from reaching an agreement. The generals must decide on when to attack the city, but they need a strong majority of their army to attack at the same time. The generals must have an algorithm to guarantee that (a) all loyal generals decide upon the same plan of action, and (b) a small number of traitors cannot cause the loyal generals to adopt a bad plan. The loyal generals will all do what the algorithm says they should, but the traitors may do anything they wish. The algorithm must guarantee condition (a) regardless of what the traitors do. The loyal generals should not only reach agreement, but should agree upon a reasonable plan.


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