4 billion becomes 3 trillion, Harmony wants to roll back—do you support changing the ledger, or accepting the loss?
If your bank’s system were hacked, causing tens of trillions of banknotes to appear out of thin air, and the bank said, “We’ll change the ledger back and pretend nothing happened”—would you support it?
Most people might say: Of course—why should we let the hacker profit?
What if I told you this bank is called “blockchain”?
Would you still support it?
On August 12, the veteran public chain Harmony ran into trouble.
On-chain analyst Juiceberg was the first to discover that someone had exploited an “empty-block” vulnerability to mint approximately 4 billion ONE tokens out of thin air.
That was equivalent to 26% of the total supply.
Approximately 2.8 billion of them were quickly transferred to major exchanges.
**The price of ONE briefly plunged by more than 50%.**
Things were already explosive, right?
But what came next was even more explosive.
CertiK monitoring showed that the amount of abnormally minted ONE had exceeded 3 trillion, involving 6 abnormal blocks.
4 billion became 3 trillion.
26% became 2,000%.
You read that correctly.
Harmony’s total supply was originally approximately 15 billion tokens. Now 3 trillion have appeared out of thin air.
The entire tokenomics model collapsed overnight.
Harmony reacted quickly:
Emergency deployment of patch v2026.1.1 to prevent further minting
Suspension of the cross-chain bridge
Coordination with exchanges to freeze the funds in 4 wallet addresses
Most importantly: advancing an on-chain rollback plan
What does a rollback mean?
It means restoring the entire chain to its state before the attack occurred.
That amounts to wiping out all transactions after August 12—including normal transfers by innocent users, DeFi operations, and DEX trades.
Benefit: the hacker’s efforts come to nothing, and 3 trillion ONE disappear from the ledger.
Cost: blockchain’s “immutability” becomes a joke from that point on.
This reminds me of The DAO incident in 2016.
Hackers stole 3.6 million ETH from Ethereum, and Vitalik chose to roll back the chain through a hard fork, returning the funds to investors.
What happened next?
Ethereum split.
One side was the rolled-back Ethereum (ETH), while the other was Ethereum Classic (ETC), which insisted on immutability.
Ten years later, supporters of the two sides are still arguing.
And what Harmony faces today is even more extreme than The DAO—
The DAO was: “The money was stolen, so I’ll help you recover it.”
Harmony is: “The money was created out of thin air, so I’ll tear up the ledger and rewrite it.”
The former is recovering stolen assets; the latter is directly altering history.
So the question returns to the beginning—
Do you support a rollback?
Those who support a rollback would say:
3 trillion ONE appeared out of thin air, destroying the tokenomics
Without a rollback, holders’ assets would be diluted by 2,000%—is that fair?
The hacker gets incredibly rich—why should they?
The project team has a responsibility to protect users’ interests
Those who oppose a rollback would say:
The core value of blockchain is immutability
If it can be rolled back once today, it can be rolled back a second time tomorrow
Then I might as well keep my money in a bank; at least a bank needs approval to alter its ledger
This “decentralization” you keep talking about—is this it?
Both sides have a point.
But the most painful fact is that no matter what you choose, someone gets hurt.
With a rollback, innocent users’ normal transactions after August 12 would be wiped out. Without a rollback, the assets of all ONE holders would be diluted into worthless paper.
There are no winners.
What’s even more painful—
This is not the first time Harmony has run into trouble.
In 2022, Harmony’s cross-chain bridge was attacked by North Korean hackers, resulting in losses of approximately $100 million.
At the time, the community helped track the funds, but the project team did not pay a cent and only said, “Good job.”
So when trouble struck this time, well-known on-chain investigator ZachXBT directly refused to provide free assistance.
“Last time, I helped you track $100 million, and I didn’t even receive a thank-you payment. Forget it this time.”
Trust is something that disappears once it is overdrawn.
As of August 13, Harmony had reached agreement with validators and exchanges on the rollback path, and the patch had been activated.
The rollback will most likely be carried out.
But the real impact of this incident goes far beyond the price of ONE.
It is putting every crypto investor to the test:
Do you ultimately believe that “code is law,” or that “the project team has the final say”?
If the code can be rolled back and the law can be changed—
Then what is the difference between blockchain and traditional finance?
Do you support Harmony’s rollback?
If one day a project in which you have a large position encounters the same thing, how would you want it handled?
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