Newslink: Bitcoin's Software Has Been Rolled Back Before
When Binance lost $40 million to hackers this week, the crypto community discussed reorganizing the chain after it was suggested by a developer from MIT. Many people were upset by this proposition, declaring that there was no way a coordinated effort with miners could be pulled off. However, most bitcoiners don’t seem to remember that a similar centralized decision was made in 2013, when Btc Guild’s hashrate was leveraged to downgrade the main chain from Bitcoin 0.8 to version 0.7.
https://news.bitcoin.com/bitcoins-software-has-been-rolled-back-before/