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<\/p>\nSince its inception, Bitcoin has undergone various incidents aimed at attacking or altering the network. However, all have failed, thanks to the strong nature of the cryptocurrency network.<\/p>\n
One major incident that exemplifies this resilience occurred back in August 2010 when Bitcoin faced its most severe challenge- a vulnerability known as the “Value Overflow Incident.” This flaw allowed a hacker to exploit Bitcoin’s code, generating an astonishing 184.467 billion Bitcoins.<\/p>\n
The issue originated from the failure to verify transactions properly before recording them in the blockchain. In essence, this bug allowed users to create an infinite number of Bitcoins, far exceeding the 21 million limit.<\/p>\n
Luckily, Satoshi Nakamoto, the anonymous creator of Bitcoin, spotted this flaw and acted swiftly. Within three hours, Nakamoto and Gavin Andresen, an early Bitcoin developer, developed a solution. Within 5 hours, the blockchain was forked, expunging the problematic transaction, along with all the others that occurred during the period.<\/p>\n
At this point, two versions of the blockchain existed: the fixed, upgraded chain and the ‘bad’ blockchain, still plagued by the bug. Nakamoto, however, rallied miners to support the new chain. Approximately 19 hours later, Nakamoto confirmed the dominance of the new chain on the Bitcointalk forum, erasing the catastrophic incident from Bitcoin’s record. If this flaw persisted, experts have argued it could have jeopardized Bitcoin’s existence.<\/p>\n
Nonetheless, this incident is not the sole illustration of Bitcoin’s unwavering strength. A more recent and equally noteworthy occurrence occurred when an invalid Bitcoin block was mined, slipping under the radar of the broader community.<\/p>\n
In this case, Marathon Digital, a publicly traded Bitcoin miner, mined an invalid block due to an unanticipated bug that came from one of their experiments. Notably, while Marathon did all the computational work required to mine the block, it was rejected by the Bitcoin nodes because it violated the consensus rules.<\/p>\n
Marathon admitted the error and emphasized that it was not an attempt to alter the Bitcoin core but a mistake within its internal development environment.<\/p>\n