> ## Documentation Index > Fetch the complete documentation index at: https://docs.skale.space/llms.txt > Use this file to discover all available pages before exploring further. # SKALE on Ethereum > Access the power of Ethereum and it's ecosystem without the costs and restrictions ## Key Features SKALE on Ethereum testnet offers a variety of features at the chain level such as instant finality, zero gas fees, a native bridge to/from Ethereum, huge block gas limits, and a bespoke high-performance C++ EVM implementation. Additionally, this network boasts \~800 validator nodes run by \~100 SKALE Supernodes powering the multichain network. Interested in privacy features with the power of SKALE? Checkout [SKALE on Base](/get-started/quick-start/skale-on-base) to try out [Programmable Privacy](/developers/programmable-privacy/intro). ## Chains | Chain Name | Testnet Chain Details | Mainnet Chain Details | | -------------------- | ------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------------- | | Calypso | [https://testnet.portal.skale.space/chains/calypso](https://testnet.portal.skale.space/chains/calypso) | [https://portal.skale.space/chains/calypso](https://portal.skale.space/chains/calypso) | | Europa Liquidity Hub | [https://testnet.portal.skale.space/chains/europa](https://testnet.portal.skale.space/chains/europa) | [https://portal.skale.space/chains/europa](https://portal.skale.space/chains/europa) | | Nebula Gaming Hub | [https://testnet.portal.skale.space/chains/nebula](https://testnet.portal.skale.space/chains/nebula) | [https://portal.skale.space/chains/nebula](https://portal.skale.space/chains/nebula) | > Gas Station for these chains can be found at [https://sfuelstation.com](https://sfuelstation.com)