- Former Mt.Gox boss Mark Karpelès wants a Bitcoin hard fork to recover around 80,000 of the BTC stolen between 2011 and 2014. This is a red flag for the community.
- Karpelès begins a new debate about the Mt.Gox hack and the related damages. But now, for the first time, the immutability of the Bitcoin specification is being specifically questioned.
Mt.Gox was the dominant Bitcoin exchange until 2014 and at times handled the majority of global Bitcoin sales. Between 2011 and 2014, it “lost” around 850,000 BTC through security breaches and undetected outflows.
To date, almost 80,000 BTC are in a wallet that has not been touched since the hack.
The Bitcoins are clearly identifiable, but are virtually lost without an access key. The bankruptcy process has been going on for over a decade, and many creditors have only received a fraction of their damages.
Against this background, Karpelès brings the Bitcoin hard fork into play – for the Bitcoin community a clear violation of its eleventh commandment: “Thou shalt not not desire the change of the sacred Bitcoin principle.”
Hard fork due to exceptional situation
Nonetheless Karpelès has released a patch for the Bitcoin corewhich would introduce a new consensus rule. Exceptionally, there would be a specific transaction that transfers the 79,956 BTC to an address controlled by the insolvency administrator without a private key.
Technically speaking, this would be a classic hard fork: only nodes that accept the exception rule would consider the restore valid. The existing Bitcoin chain would ignore the transaction.
Karpelès emphasizes that this is not about changing Bitcoin to anyone’s advantage or disadvantage, but about having an open debate about a unique special case. The insolvency administrator had previously stated that he would not take any steps in this direction without a clear signal from the community.
Community reaction
The reaction is predominantly negative. Developers and long-time community members warn that a retroactive change would set a dangerous precedent.
Bitcoin owes its credibility to the immutability of transactions. An exception – albeit for perhaps the crypto industry’s biggest hack – would undermine trust in the system.
But on the other hand, there is support from Mt.Gox creditors who argue that without such a measure they would never be fully compensated. They see a hard fork less as an interference with the principles of Bitcoin and more as a correction of a historical mistake.
Significance for the future of Bitcoin
The fundamental dispute shows how strong the tensions between technical ideology and practically achievable legal enforcement have become. While Bitcoin has grown enormously, legacy issues such as the Mt.Gox damages remain an unresolved issue.
The Karpelès proposal forces the community to grapple with the question of whether the principle of technical immutability should apply without exception or whether there are situations in which it must take precedence over an older legal principle.
Be that as it may, a hard fork is currently considered extremely unlikely, despite the equivalent of almost 5.3 billion solid arguments in the form of US dollars in the wallet in question.
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