On The Longest Chain Rule and Programmed Self-Destruction of Crypto Currencies
Nicolas T. Courtois

TL;DR
This paper critically examines core principles of cryptocurrencies like Bitcoin, revealing vulnerabilities in their security mechanisms and proposing a theory of programmed self-destruction driven by abrupt protocol changes and economic incentives.
Contribution
It introduces a novel theory explaining how cryptocurrencies are prone to self-destruction through protocol transitions and highlights security flaws in existing blockchain implementations.
Findings
Current cryptocurrencies have poor resistance to double spending attacks.
Many alt-coins show signs of ongoing programmed decline.
Bitcoin's lack of transaction timestamps contributes to vulnerabilities.
Abstract
In this paper we revisit some major orthodoxies which lie at the heart of the bitcoin crypto currency and its numerous clones. In particular we look at The Longest Chain Rule, the monetary supply policies and the exact mechanisms which implement them. We claim that these built-in properties are not as brilliant as they are sometimes claimed. A closer examination reveals that they are closer to being... engineering mistakes which other crypto currencies have copied rather blindly. More precisely we show that the capacity of current crypto currencies to resist double spending attacks is poor and most current crypto currencies are highly vulnerable. Satoshi did not implement a timestamp for bitcoin transactions and the bitcoin software does not attempt to monitor double spending events. As a result major attacks involving hundreds of millions of dollars can occur and would not even be…
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Taxonomy
TopicsBlockchain Technology Applications and Security · Advanced Data Storage Technologies · Complex Systems and Time Series Analysis
