Summary

  • Mantle will migrate its Super Portal from LayerZero to Chainlink CCIP between 9 and 15 July 2026 to protect its $2.5B MNT token.
  • Cross-chain bridges recorded $328.6 million in losses from eight incidents in 2026, including a LayerZero-powered bridge exploit that removed roughly 116,500 rsETH.
  • Mantle's shift occurs even as many projects continue to rely on LayerZero and Wormhole infrastructure for cross-chain interoperability.

Mantle shifts its Super Portal from LayerZero to Chainlink CCIP between 9 and 15 July 2026. The move secures the project's $2.5 billion native MNT token. It replaces the legacy bridge.

The decision follows a LayerZero exploit that drained 116,500 rsETH worth $290-300 million and joins the $7.2 billion migration away from the protocol after the May Kelp hack.

Context

Bridge exploits still limit cross-chain work in 2026. Industry data shows $328.6 million lost across eight incidents so far this year. These repeated breaches push projects with large treasuries to reassess their messaging protocols.

Mantle's Super Portal handles cross-chain movement of the MNT token while the old LayerZero version deprecates in mid-July and Chainlink CCIP steps in with needed security.

"LayerZero builds technology that makes decentralization possible, scalable, and inevitable. Interoperability Issue, connect, and expand any asset, product, or ..."

, Attribution (LayerZero)

Details

The Mantle CCIP migration transfers control of $2.5 billion in MNT liquidity to Chainlink's Cross-Chain Interoperability Protocol. This follows documented LayerZero exploits and aligns with similar moves by other large holders.

Counterpoints remain relevant.

Multiple projects continue operating on LayerZero and Wormhole infrastructure without immediate plans to switch. Security comparisons center on audit standards, proof mechanisms, and incident response records. Chainlink CCIP emphasizes enterprise controls that LayerZero has not matched in recent incidents while no timeline exists for full resolution of structural vulnerabilities across the sector.

Social Highlight · @ChrisBarrett · unknown

INSIGHT: $7.2B has migrated from LayerZero to @chainlink CCIP since May's $292M Kelp exploit, with Mantle's $2.5B Super Portal the latest to ... (link)

Outlook

Projects and users monitor if more large treasuries follow Mantle to Chainlink CCIP. The July deprecation of the LayerZero bridge tests execution risk and asset safety first.