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400 million turned into 3 trillion, Harmony is rolling back — this time, I stand for “immutability” If the coins in your hand were diluted by 26% overnight, would you support a rollback? Don’t rush to answer. Let me ask you another question — If you just completed a normal transaction after the attack happened, and now the project team says they want to roll back to the state before the attack, and your transaction will be canceled — would you still support the rollback? Think carefully before answering. Because Harmony’s users are now standing at this crossroads. On August 12, Harmony experienced a shocking incident. The attacker exploited the “empty block” vulnerability to mint about 4 billion ONE tokens without authorization, accounting for about 26% of the total supply at that time. About 2.8 billion of these were quickly transferred to major exchanges. ONE’s price once plummeted nearly 40%. But the most surreal thing happened the next day. On August 13, Harmony announced — the number of abnormally minted ONE tokens had exceeded 3 trillion, involving 6 abnormal blocks. 3 trillion. You read that right. From 4 billion to 3 trillion, a difference of 750 times. The total supply of ONE before the attack was only about 15 billion. What does 3 trillion mean? It’s equivalent to creating 200 times the entire Harmony out of thin air. Although most of it hasn’t been dumped yet, the “totalSupply” endpoint couldn’t even reflect the new amount in real time. The project team doesn’t even know how many coins they have. Now Harmony’s choice is: rollback. Rollback means simply — restoring the entire chain to a block before the attack happened, and all transactions after the attack will be invalidated. Harmony said it is advancing the rollback plan and has reached consensus with validators and exchanges on the specific path. The vulnerability fix has been activated, and the full list of attacker wallets will be announced soon. Sounds reasonable, right? But here’s the problem — Every normal transaction that happened after the rollback point will be erased. You just completed a swap on a DEX, gone. You just received a transfer, gone. You just staked ONE, also gone. To punish one bad actor, you have to sacrifice the transaction history of all the good people. Is this the “decentralization” you want? What’s more ironic — this is not the first time Harmony has had issues. In 2022, the Horizon Bridge was hacked and $100 million was stolen, linked to North Korea’s Lazarus Group. In 2023, there was another abnormal minting issue related to staking. Now, in 2026, the third time. One project, three major incidents in three years. This time, well-known on-chain investigator ZachXBT directly refused to assist Harmony and called on other researchers not to help for free either. His reason is straightforward: after the 2022 bridge hack, researchers who helped track funds contributed a lot of work but received no payment. When even white hats don’t want to help you, think about what kind of reputation you have in this industry. So back to the original question — Do you support the rollback? My answer is: no. Not because I sympathize with the hacker. Because “immutability” is the last line of defense for blockchain. Today Harmony can roll back because of 3 trillion tokens, tomorrow any project can roll back because “we feel something’s wrong.” Then what are we even playing at? On-chain data immutability — if this rule is broken, it’s scarier than a hacker minting 3 trillion tokens. A hacker minting tokens loses money. Breaking the rules loses trust. And trust is the only valuable thing in this industry. I know some will say: “What about my coins being diluted? Isn’t my money worthless?” I understand. But the solution shouldn’t be tearing down the whole building to find a cockroach. Better approaches are: hard forks, compensation plans, stronger audits. After the 2022 bridge hack, Harmony once proposed a hard fork to mint additional ONE tokens to compensate victims. The same method, again? Better think about how to avoid a fourth time. $BTC $ETH $ONE #Harmony推进链上回滚，铸币漏洞修复已激活