An EVM-compatible SKALE testnet enabling gasless, sFUEL-powered transactions with pooled security and fast finality for low-cost, high-throughput dApp development.
SKALE Nebula Hub Testnet is an EVM-compatible hub chain in the SKALE Network used to test cross-chain asset routing, liquidity movement, and messaging across SKALE app-chains and to/from Ethereum using sFUEL. Primary use cases include bridge integrations, cross-chain swaps and NFT transfers, oracle relays, and gasless UX trials, with typical testnet metrics of avg gas cost ≈ $0.00 (sFUEL), ~1s block time, and throughput in the hundreds-to-thousands TPS range; activity is developer-driven and bursts during test cycles. More info: https://nebulachain.io/
It is unique in offering zero-gas end-user transactions (sFUEL) and pooled validator security coordinated via Ethereum, while the hub natively routes liquidity/messages across SKALE chains without external sequencers or centralized relayers. Compared to many L2s that charge per-tx gas and finalize in 2–12s, Nebula targets ~1s block speed, near-instant finality, and ~$0 avg gas with benchmarked throughput in the hundreds–thousands TPS; on testnet, activity patterns reflect rapid iterative deployments rather than steady retail traffic.
SKALE Nebula Hub Testnet uses sFUEL as the gas token for transaction fees. You can obtain sFUEL by bridging from other chains or purchasing using thirdweb Bridge, or through faucets (for testnet).
To bridge sFUEL to SKALE Nebula Hub Testnet, connect your wallet to thirdweb bridge, select your source chain, choose the token you want to bridge, select SKALE Nebula Hub Testnet as the destination, enter the amount, and confirm the transaction. The bridge will handle the cross-chain transfer instantly.
To build on SKALE Nebula Hub Testnet you can use thirdweb, which provides an easy way to build, monetize and scale your apps, games or agents. You can find detailed guides and documentation on https://portal.thirdweb.com to get started quickly.
To add SKALE Nebula Hub Testnet to your wallet, you can connect your wallet and click on [Add to Wallet] button at the top of the page. Alternatively, you can add the network manually using the RPC URL and chain details and add it to your wallet's network settings.
To send sFUEL on SKALE Nebula Hub Testnet, ensure your wallet is connected to the SKALE Nebula Hub Testnet network, enter the recipient's address, specify the amount of sFUEL to send, review the gas fee, and confirm the transaction in your wallet.