Testnet name needed
A name is needed for the planned Sepolia replacement: Expected to launch in March 2026
- Holešky: Validators and Staking providers (Expected end of life 30th September, 2025). Client developers will also use Holesky to test gas limit increases and other protocol stress tests.
- Sepolia: Application and tooling devs (Expected end of life 30th September, 2026)
- Hoodi: Validators and Staking providers (Expected end of life 30th September, 2028)
- Planned Sepolia replacement: Expected launch date of March 2026
From: Holesky and Hoodi Testnet Updates | Ethereum Foundation Blog
Past testnet names
| Testnet | Lore | Pronunciation | Mascot |
|---|---|---|---|
| Hoodi | Metro station in Bengaluru, India | ಹೂಡಿ (hoo-dee) | Peacock in a hoodie |
| Sepolia | Neighborhood in Athens, Greece, known for its industrial and cultural history. | suh-POH-lee-uh | Dolphin |
| Görli (Goerli) | Görlitzer Bahnhof train station in Berlin, Germany | GUR-lee | |
| Holešky | Nádraží Holešovice train station in Prague, Czech Republic | HOH-lesh-kee | |
| Ropsten | Subway station in Stockholm, Sweden | ROPE-sten | |
| Rinkeby | Subway station in Stockholm, Sweden | RIN-keh-bee | |
| Kovan | Singapore MRT station | KOH-vuhn | |
| Morden | London Underground station | MOR-den | |
| Olympic | Competitive spirit of the Olympics, launched pre-mainnet in 2015. | oh-LIM-pik |
Corrections/updates appreciated
Suggestions
| Testnet | Lore | Pronunciation | Mascot |
|---|---|---|---|
| Vyšehrad | Metro station in Prague, Czech Republic, stop for Devcon 4 |  Castle |
|
| Osmanbey | Metro station in Istanbul, Turkey, right next to Devconnect | ||
| Itsaraphap | Metro station in Bangkok, Thailand. Devcon SEA was hosted in Bangkok. Itsaraphap means “independence” or “freedom” in Thai | It-sa-ra-phāp |  Swan |
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