MemeCore Formicarium Testnet (chainid: 43521) shutdown

Shutdown date: 2026-02-25. Replacement: Insectarium Testnet (chainid: 43522).

docs.etherscan.ioquote checked
Insectarium Testnet (chainid: 43522)from MemeCore Formicarium Testnet (chainid: 43521)
2026-02-25255 days ago
Your code1 thing to find
Nemotron fixes

In its own wordsmatches the page ✓

MemeCore Formicarium Testnet (chainid: 43521) has migrated to Insectarium Testnet (chainid: 43522) effective February 25, 2026. API requests should now use the Insectarium Testnet (chainid: 43522) endpoint.

docs.etherscan.io/changelog.mdfrom the provider's own sitechecked 2026-10-30#0ee1749bf7

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model ID "MemeCore Formicarium Testnet (chainid: 43521)"

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