Harmony's ONE Token Drops 40% After Reported Minting Exploit Creates 4 Billion Tokens

Headline: Harmony’s ONE plunges ~40% after apparent minting exploit that may have created 4 billion tokens Harmony’s native token ONE slumped roughly 40% Wednesday after what the project confirmed was an exploit that reportedly allowed the creation of new ONE tokens. Harmony told network operators to install an emergency software update designed to block further minting, but the update does not undo tokens that were already created — leaving the status of those assets unresolved. What happened - Before the incident there were about 15 billion ONE tokens in existence. Reports say roughly 4 billion additional ONE were minted in the exploit — a sudden, unauthorized increase equivalent to about 26% of the prior supply. Harmony has not publicly verified the exact minted total or explained how the 4 billion figure was calculated. - The attack triggered intense selling pressure as traders assessed dilution risk, possible exchange deposits of the newly minted coins, and whether any reversal of on-chain transactions might follow. Immediate containment steps - Harmony temporarily paused its token bridge to stop potentially compromised assets moving across networks. - The project asked centralized exchanges to block and freeze funds linked to four wallet addresses associated with the incident, hoping to prevent the attacker from converting or cashing out the new tokens. - A software patch was issued to close the vulnerability and prevent further minting, but network operators must adopt the update for it to be effective across the blockchain. Why recovery is uncertain - If the attacker moves tokens to centralized exchanges and those platforms cooperate with freezes, damage could be limited. But if the tokens are swapped on decentralized exchanges, split across many wallets, or bridged away before intervention, recovery becomes far more difficult. - On-chain monitoring can trace movements, yet tracing doesn’t guarantee retrieval of stolen or illicitly minted assets. - Harmony has not disclosed the specific vulnerability, how the attacker obtained minting authority, or whether any other parts of the protocol remain at risk, leaving unanswered questions for users and developers. Rollback option and trade-offs - Harmony said it is “working on a patch and rollback options.” A rollback — resetting the chain to a block state before the exploit — could remove the unauthorized tokens from the ledger. But a rollback would also erase legitimate transactions that occurred after the rollback point, potentially harming users who were not involved in the exploit. - Until Harmony releases a full technical post-mortem, uncertainty around both the vulnerability and remediation plan is likely to keep downward pressure on ONE. Market reaction and technical picture - ONE lost about 40% of its value in 24 hours, briefly touching $0.000605 before recovering to trade above $0.00074 at one point. Technical indicators showed heavy bearish momentum: an RSI around 12 (deeply oversold) and bearish MACD lines. - If bears remain in control, analysts say ONE could retest the $0.000605 low and potentially fall toward a $0.00050 psychological level. A bullish recovery would first aim for roughly $0.00112 on the 4-hour chart. Context - Harmony was once among the larger crypto projects, peaking near a $4 billion market capitalization in January 2022. The scale of this exploit — if the reported figures are accurate — represents a significant shock to token supply and market confidence. Bottom line The emergency patch should stop any further unauthorized minting if widely adopted, but the fate of the already created ONE remains the central question. The outcome will depend on Harmony’s remediation choices (including whether to roll back), the cooperation of exchanges, and how quickly the community and validators implement the patch. Until more technical details and a definitive path forward are published, ONE holders and dApp users on Harmony face elevated uncertainty.