Harmony to Shut Down Chain and Migrate ONE to Ethereum
Two attacks in three years were too many. The rollback now reads less like recovery and more like a brief delay before Harmony gives up its chain entirely.
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Two attacks in three years were too many. The rollback now reads less like recovery and more like a brief delay before Harmony gives up its chain entirely.
A seven-year-old L1 choosing death over grind is the rare headline, and the cited reason (state-actor and AI-agent threats) reframes what running a base-layer chain actually costs in 2026.
Rolling back a top-50 Layer 1 to erase a 3 trillion ONE forge has almost no precedent. The cross-shard verification flaw is patched; the open question is whether rewritten history is safer than…
Second major breach in three years, after the $100M Horizon bridge heist linked to North Korean hackers. The bigger question is whether a rollback restores trust or deepens the credibility hit.
A rollback on a major L1 would test whether on-chain accountability trumps immutability and could set a precedent for similar bridge and minting exploits.
About 26% of ONE's circulating supply minted from thin air is the structural blow; the rest of the market is coiled ahead of July U.S. CPI at 12:30 UTC that could reset the risk-asset tone.
A successful rollback on a major chain would reset a question most networks never had to answer: who eats the loss when the bridge mints in error?
The 4B figure is ~27x larger than Harmony's 2023 staking bug and lands on the base layer rather than a bridge, with the rollback trade-off now the structural question for the next base-layer…