Relay_Station / Zone_39
PROJECTS
09.09.2026
Harmony Shuts Down Mainnet, Migrates ONE to Ethereum Amid AI Pivot
The decision to decommission the mainnet, launched in 2019, follows a series of significant security breaches, most notably a cross-shard exploit in August 2026. This vulnerability allowed attackers to mint more than 3 trillion ONE tokens across six transactions, severely compromising the network's integrity at its consensus layer. While Harmony initially attempted a rollback to rectify the damage, the team ultimately concluded that maintaining its proprietary Layer 1 blockchain was no longer sustainable against what it cited as persistent threats from nation-state actors and advanced AI agents.
Under the new strategic direction, Harmony will repurpose its ecosystem towards an AI video editing platform. This "remix economy" concept will enable users to generate and modify video content based on provided prompts and assets, earning rewards through a staking mechanism. The shift reflects a broader trend within the Web3 space, where projects increasingly seek to integrate artificial intelligence capabilities and capitalize on emerging hybrid models.
For existing ONE token holders, today marks a crucial point. Users with assets locked in smart contracts, such as liquidity pools, multisig wallets, or other decentralized finance (DeFi) applications, were explicitly urged to exit these positions before September 10. Funds held in ordinary wallets or on centralized exchanges, however, will be automatically captured in a final network snapshot and subsequently airdropped as new ERC-20 ONE tokens to corresponding Ethereum addresses, requiring no manual action from holders.
Validators, who previously secured the Harmony network, are being compensated for the disruption. A one-time compensation pool of $1.372 million will be distributed over four quarters to eligible validators and their delegators. To qualify, validators must shut down their nodes by today's deadline, sign specific agreements, maintain their stakes, and commit to participating as "governors" in the new AI-focused project.
The migration process ensures that the total supply and inflation rate of ONE tokens will remain unchanged. Newly issued tokens will primarily be allocated to fund the development and operational costs of the new AI video platform, a move that will be subject to ongoing governance feedback from participants. Public release of the new token contract, snapshot calculations, and airdrop scripts are planned to ensure transparency and allow for independent audit.
This wholesale transformation underscores the volatile nature of Layer 1 blockchain development and the constant pressure to adapt in a rapidly evolving technological and threat landscape. Harmony's initial vision of a scalable, low-latency independent chain, characterized by its sharding architecture and Move programming language, ultimately proved unsustainable against the backdrop of persistent security vulnerabilities. The decision highlights the formidable challenges associated with maintaining a sovereign blockchain, especially when faced with sophisticated exploits that strike at the consensus layer rather than individual smart contracts.
The long-term implications for the Harmony community and the broader Web3 sector remain to be fully seen. While the pivot to AI aligns with current market narratives, the project now operates as an Ethereum-based application, shedding its foundational Layer 1 identity. Whether this strategic shift will successfully re-engage its user base and attract new talent to its AI video economy, or if it represents a cautionary tale for other independent blockchains navigating similar security and scaling pressures, is a question only time will answer.
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