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Harmony Considers Rolling Back Its Entire Blockchain After Billions in Fake ONE Tokens Were Minted — Here's What That Means

(51 days ago) · 1 source · Summarized by CryptoBipto

Harmony's blockchain suffered a critical exploit in which an attacker managed to mint billions of unauthorized ONE tokens and flood exchanges with them. The Harmony team is now weighing the drastic option of a full blockchain rollback — essentially rewinding the chain's history to undo the damage. The move, if executed, would be one of the most controversial decisions in recent crypto history.

WHY IT MATTERS

Imagine someone broke into a bank's computer system and printed billions of fake dollars, then spent them at stores before anyone noticed. Now the bank is considering 'rewinding time' — undoing every transaction from the past few days to erase the fake money. That's essentially what Harmony is considering. A 'blockchain rollback' means going back to a previous version of the blockchain's history, before the hack happened. While this could fix the damage, it also erases every real transaction that happened since then, which affects innocent people too. It also challenges a core promise of blockchain technology: that once something is recorded, it can't be changed. This event matters because it shows how vulnerable some crypto projects can be and raises big questions about who gets to 'undo' history on a supposedly decentralized network.

A blockchain rollback is one of the most extreme measures a project can take. It involves reverting the entire network to a state before the exploit occurred, effectively erasing all transactions — legitimate or not — that happened after that point.

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