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Elysium Elysium is a high-throughput Arbitrum Orbit Layer 2 that settles to HyperEVM, runs co-located with HyperCore, and uses HYPE as native gas.
Elysium targets 100–200 ms block times and a 300 Mgas/s execution ceiling — roughly 100x HyperEVM’s own throughput. Transactions reach perceived finality in about 300 ms. Native gas is HYPE, bridged 1:1 from HyperEVM. Testnet (chain ID 99801) has been live since September 22, 2026; mainnet is pre-launch with no confirmed date.
Elysium is purpose-built for high-frequency trading and professional market-making inside the Hyperliquid ecosystem, with quote refreshes up to 5–10 times a second. The chain is general-purpose EVM underneath, so any standard DeFi application runs on it too.
| Consensus | Arbitrum Orbit (Nitro/ArbOS) chain with a single Conduit-operated sequencer ordering transactions by priority fee with no privileged lanes. The chain settles to HyperEVM rather than Ethereum, and data availability runs through an AnyTrust committee (currently a single member on testnet). |
| Public / Private / Permissioned | Public and permissionless for users and developers. Validation is permissioned at launch, with a planned move to permissionless fraud proofs (Arbitrum BoLD), and sequencing is run by a single operator (Conduit). |
| Smart contracts | Yes |
| Smart contract language(s) supported | Solidity and Vyper, fully EVM-compatible — stock ArbOS at launch, the same contract environment as any other Arbitrum Orbit chain. |
| Transaction privacy | No native transaction privacy. Transactions, balances, and contract state are publicly readable onchain. |
| Transaction visibility | Public. Transactions are queryable through the RPC and the Elysium testnet explorer. |
| Transaction ordering | Single sequencer. Transactions are ordered by priority fee within each block, with no privileged lanes for any transaction type — a quote update and a swap compete on the same fee basis. |
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