Harmony proposes layer-1 shutdown and ONE migration

The move comes less than four weeks after an exploit that allowed forged ONE tokens to circulate, prompting Harmony first to consider a rollback that would have erased more than 109,000 transactions. The shift from reversing a damaged ledger to sunsetting the chain altogether suggests the incident did more than create a technical problem: it undermined confidence in the network’s viability, liquidity and governance.

Harmony said the proposal is non-binding and did not say when the final block would be produced. Under its governance rules, passage would require support from validators representing 66.7% of stake after a seven-day introduction period and a 14-day vote. If approved, all ONE balances would be captured at the final block and airdropped as ERC-20 tokens on Ethereum to the same addresses, including wallets, staking delegations, validator rewards, smart contracts and centralized exchanges.

The mechanics matter because they determine who can preserve value and who cannot. Harmony said multisig safes, liquidity pools and onchain applications cannot be migrated, and urged users to exit smart contracts before Sept. 10. Validators who stop on time and agree to serve as governors would be eligible for compensation from a $1.372 million pool. That suggests the project is trying to manage an orderly wind-down rather than an abrupt abandonment, but it also implies that parts of the ecosystem will be stranded.

For Ethereum, the proposal is a small but telling vote of confidence. In practice, it would shift one more token ecosystem onto a larger, deeper and more liquid chain at a time when smaller layer-1s face rising pressure from security costs, developer concentration and weak network effects. The recent selloff in Ethereum and broader crypto risk aversion does not change that structural point: network consolidation tends to favor the dominant settlement layer when confidence in peripheral chains breaks down.

Market implications are mixed. ONE holders could benefit if the migration preserves claims and restores some tradability on a more established venue, while short sellers or traders betting on a messy unwind may lose if the conversion is executed cleanly. Ethereum may gain marginally from another token issuance and additional onchain activity, though the effect is likely symbolic rather than material. The clearest loser is Harmony’s original layer-1 franchise, which appears to be ending not with a roadmap update but with a liquidation of its network identity.

The key question now is whether validators treat the proposal as a rescue plan or a concession that Harmony’s standalone model has already failed. If the vote advances, the market will focus on execution risk, exchange support and whether the ERC-20 migration can avoid fresh disputes over balances, contracts and governance. If it fails, Harmony is left trying to rebuild confidence in a chain that has already been written down by the market.