Fantom Opera, the blockchain that once sat comfortably among the top DeFi ecosystems, has a firm expiration date. The network will shut down on June 30, 2026, at 17:00 GMT, and anyone still holding assets on the chain needs to move them before the lights go off.
The announcement, made on April 7 by Sonic Labs (the entity formerly known as the Fantom Foundation), marks the final chapter in a migration process that’s been underway for well over a year. For liquidity providers still parked in protocols like Stargate V1 on Fantom, it’s a more urgent call to action.
What’s actually happening
The Fantom Opera network, the original mainnet that powered the Fantom ecosystem, is being decommissioned. Once the deadline hits, the legacy infrastructure supporting the chain will go offline permanently.
Sonic Labs rebranded from the Fantom Foundation back in August 2024, signaling the strategic shift away from Opera and toward the Sonic chain. The Sonic mainnet launched on January 7, 2025, giving developers and users more than a year of runway to transition.
By early 2026, the bulk of migration activity was complete, which is likely why this formal shutdown announcement didn’t send shockwaves through the market. No dramatic price swings, no panic selling.
The ERC-20 FTM to S token conversion mechanism remains operational, and the Sonic Gateway bridge is unaffected by the shutdown. Historical on-chain records from the Opera network will also remain accessible after the shutdown.
Stargate V1 and the LP problem
The more pressing concern sits with liquidity providers who still have funds deployed in protocols on Fantom Opera, particularly Stargate V1. The cross-chain liquidity protocol’s V1 pools on Fantom currently hold a total value locked somewhere in the range of $486K to $576K.
If liquidity providers don’t withdraw their funds before the June 30 deadline, they could face disruptions when the underlying network infrastructure goes offline.
Stargate V1 is distinct from the protocol’s current V2 iteration. V1 pools on Fantom represent legacy positions that some LPs may have simply forgotten about or deemed too small to bother withdrawing, especially with gas costs and the general friction of managing positions across multiple chains.
What this means for investors
If you have any assets on Fantom Opera, whether in Stargate V1 pools, other DeFi protocols, or just tokens sitting in a wallet, the action item is simple: get them off the chain before June 30. The conversion from FTM to S tokens and the Sonic Gateway bridge both remain functional.
With TVL in Stargate V1 alone sitting at nearly half a million dollars, and likely additional value scattered across other Fantom-native protocols, the total amount of capital at risk of disruption isn’t trivial for individual holders.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.

1 hour ago
2
















English (US) ·