Fifteen years after the major security breach suffered by Mt. Gox, which resulted in the movement of nearly 80,000 bitcoins, this episode remains one of the most significant in the history of the platform. Today, Mark Karpelès, former CEO of Mt. Gox, invites the Bitcoin community to consider an unusual solution: changing the network's rules in an attempt to recover lost funds.

In brief
- Mark Karpelès proposes changing the rules of the Bitcoin network in order to potentially recover the 79,956 BTC linked to the collapse of Mt. Gox.
- The plan would aim to move dormant bitcoins through a recovery address, without using the original private key.
- The recovered funds would be supervised by trustee Nobuaki Kobayashi before being redistributed to creditors as part of the legal process.
A targeted approach to recovering lost bitcoins
Mark Karpelès suggested a method to move unspent bitcoins associated with Mt. Gox using a recovery address, without relying on the initial private key. This approach would, in theory, return the 79,956 BTC lost during the collapse of the platform to creditors, under the supervision of the ongoing rehabilitation process. He points out that these funds are among the most closely watched in Bitcoin history, having remained inactive for more than 15 years.
The former CEO specifies that this proposal is not intended to circumvent the usual mechanisms for evolving the protocol. Rather, it would seek to determine whether the Mt. Gox case warrants exceptional intervention. Its implementation would require a hard forkwhich should be adopted network-wide before a defined activation block. According to Karpelès, the modification would be very targeted, applying only to a single address and requiring less than 50 lines of code, while preserving the general rules of consensus and the functioning of the script. He presents this solution as a way to ensure fair restitution to creditors.
If this plan were adopted, it would notably involve:
- The recovered bitcoins would be placed under the supervision of Nobuaki Kobayashi, legal representative of Mt. Gox.
- The existing legal framework would allow their redistribution to verified creditors, according to a regulated procedure.
A proposal that divides the community
The initiative provokes contrasting reactions. Some believe that changing the ledger could damage Bitcoin's credibility and open the door to similar demands from other hack victims. Others worry about the potential link between the protocol's rules and legal decisions, which could call into question the network's independence.
Karpelès acknowledges these criticisms, while asserting that the Mt. Gox case is unique. He emphasizes that the situation is widely documented and that the funds involved are clearly identified as lost, unlike other cases where ownership remains uncertain. Furthermore, several people presenting themselves as creditors of Mt. Gox support the exploration of solutions to recover these funds, believing that compensation received so far remains limited.
Mt. Gox: from market leader to bankruptcy
In its early days, Mt. Gox managed the majority of global Bitcoin trading and established itself as the leading platform in the industry. In June 2011, a security breach resulted in approximately 79,956 BTC being moved to unknown addresses. Over the years, internal problems and undetected losses accumulated, leading to the collapse of the platform in early 2014. On February 28, 2014, Mt. Gox declared bankruptcy. Since then, legal proceedings have been underway, with the agent gradually repaying creditors from the funds recovered.
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