Elysium

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Building on Elysium

Deploying to Elysium with standard EVM tooling: no required custom interfaces, the contracts to start from, verifying contracts, and the infrastructure to build with.

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Elysium is a standard EVM chain. Solidity and Vyper compile unchanged, and Foundry, Hardhat, viem, ethers, and standard JSON-RPC all work exactly as they do on any Arbitrum Orbit chain. Deploying is forge create or hardhat deploy against your Alchemy RPC URL.

Testnet is live. See Connecting to Elysium for the chain ID, RPC endpoints, and explorer, and to add Elysium to your wallet.

No required custom interfaces

Elysium launches on stock, off-the-shelf ArbOS, so the EVM baseline follows the deployed ArbOS version.

Nothing Elysium-specific is required to deploy or run a contract. The Elysium-specific surfaces are opt-in capabilities:

Both arrive through an ArbOS network upgrade about four weeks after mainnet.

Contracts

WHYPE and USDC are the canonical tokens; look-alike tokens exist, so check the address before you integrate one. Contract addresses lists them with Multicall3, the gateway router, and the bridge contracts.

Verifying contracts

Verify a contract’s source on the explorer’s Verify contract page, which also gives the Foundry and Hardhat settings to verify from your own tools.

Infrastructure

Alchemy is the recommended RPC provider; see Connecting to Elysium for its endpoints and the other providers.

  • dRPC

    RPC providers

    RPC provider serving Elysium testnet over HTTPS and WSS; mainnet endpoints are announced for the public launch.

  • Uniswap

    Infrastructure

    Decentralized exchange: swap tokens or earn fees by adding liquidity to its pools. Announced for Elysium.

  • 0x

    Infrastructure

    Swap API that aggregates prices across exchanges, used by wallets and apps to add token swaps. Announced for Elysium.

  • Allium

    Infrastructure

    Onchain data platform; Elysium indexing is announced.

  • Goldsky

    Infrastructure

    Onchain data platform: subgraphs and data pipelines on Elysium testnet; Edge RPC announced for mainnet.

  • TheHUB

    Infrastructure

    Colocation for crypto trading in Tokyo, where builders can deploy bare-metal servers near Hyperliquid infrastructure.

  • Wormhole

    Infrastructure

    Open-source interoperability platform for moving tokens, data and assets across blockchains, now connecting Elysium.

  • Conduit

    Infrastructure

    Runs Elysium’s sequencer on its G2 rollup stack.

  • KyberSwap

    Infrastructure

    DEX aggregator that routes swaps across DEXs. Announced for Elysium.

  • Arbitrum Orbit

    Infrastructure

    The rollup framework Elysium is built on: transactions execute on Elysium and settle to HyperEVM.

  • Enso

    Infrastructure

    Routing engine that finds swap and DeFi routes across protocols and runs them in one transaction. Its router contracts are deployed on the Elysium testnet.

  • Codex

    Infrastructure
    Analytics
    Tools
    Prediction markets
    Launchpad
    DEX
    DeFi

    Codex provides real-time, enriched data for 60M tokens across 80 networks and 410M wallets.

  • De¹

    Infrastructure
    DeFi

    Onchain data and DEX aggregation with Swap, Gasless Swap, DCA and Limit Order APIs. Announced for Elysium.

  • Definitive Finance

    Trading
    DeFi
    Infrastructure
    Tools

    Definitive is a non-custodial crypto trading app and API for trading with limit, stop-loss, take profit, DCA/TWAP and other advanced order types.

  • Elysium name service

    Infrastructure

    Name service for Elysium: register readable .ely names linked to wallet addresses, set a primary name and own each name as a tradeable NFT.

  • Mayan

    Infrastructure
    DEX
    DeFi

    Intent-based bridge connecting Elysium to EVM chains, Solana and Sui.

  • o1.exchange

    Launchpad
    Derivatives
    DeFi
    DEX
    Infrastructure
    Analytics
    Trading
    Tools

    o1.exchange is the Onchain Everything Exchange for spot, perps, and prediction markets across any asset, backed by Coinbase Ventures, a16z, and AllianceDAO.

  • Octav

    Analytics
    DeFi
    Infrastructure
    Tools

    Portfolio tracking and NAV reporting for digital assets across wallets, chains and DeFi positions, with daily NAV and PDF/CSV reports.

  • Palmera

    Infrastructure
    Tools

    Multisig smart account infrastructure for EVM chains: deploy, monitor and operate Safe-compatible multisigs, with white-label interfaces and indexing.

  • Pimlico

    Infrastructure

    Account abstraction infrastructure for smart wallets and gas sponsorship.

  • STON.fi

    DeFi
    Trading
    DEX
    Infrastructure

    TON’s leading DEX and cross-chain execution layer, enabling swaps across multiple blockchains, including Elysium, with competitive rates and HTLC-secured swaps.

  • StreamingFast

    Infrastructure

    Core developers of Firehose and Substreams for The Graph: streams chain history and live data to databases.

  • Substreams

    Infrastructure
    RPC providers
    Other

    Supercharge your Blockchain Apps with modular data streams Substreams simplifies real-time data processing for fast, scalable, and reliable applications.

  • Femtos

    Infrastructure

    A data API for HyperCore, HyperEVM and Elysium: markets, balances, prices, tokens, wallets and launches over REST and WebSocket, plus a hosted MCP server for AI agents.

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Connecting to Elysium

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Blocks, fees, and ordering