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Harmony Plans to Shut Down Mainnet After 7 Years, Move ONE to Ethereum

Coinpedia·September 7, 2026·1 min read
Harmony Plans to Shut Down Mainnet After 7 Years, Move ONE to Ethereum

Harmony proposed shutting down its Layer-1 blockchain after launching its mainnet in 2019 and migrating ONE to Ethereum. The plan calls for a final-block snapshot followed by an airdrop of ONE as an ERC-20 token on Ethereum. Harmony cited growing threats from state actors and AI agents.

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