# Ethernal > Ethernal is an open-source, MIT-licensed block explorer for EVM-based chains. Connect any EVM RPC and get a fully working hosted explorer in under 5 minutes — with transaction decoding and tracing, contract verification, token and NFT tracking, and L2-native features for OP Stack and Arbitrum Orbit. Used by L2s, appchains, and private networks in production. ## Quick facts - Open source, MIT licensed: https://github.com/tryethernal/ethernal - Public pricing: Starter (free, ad-supported), Team ($150/mo, custom domain), App Chain ($500/mo, full whitelabel), Enterprise (custom) - Setup time: under 5 minutes — paste an RPC URL, get an explorer - Works with any EVM chain: Ethereum, all major L2s, OP Stack, Arbitrum Orbit, Polygon CDK, custom appchains, private networks, local devchains (Hardhat, Anvil, Ganache) - Self-hostable or hosted by Ethernal - Common alternatives: Etherscan (closed source, per-chain), Blockscout (open source, self-host only), Routescan (closed source, vendor-locked) ## Product - [Homepage](https://tryethernal.com): Overview of Ethernal's block explorer platform - [Pricing](https://tryethernal.com/pricing): Plans from free (Starter) to Enterprise, for public and private explorers - [Features](https://tryethernal.com/features): Full feature list including contract verification, transaction tracing, token tracking, and analytics - [Transaction Tracing](https://tryethernal.com/transaction-tracing): Deep transaction trace visualization with call trees, state diffs, and gas profiling - [App Chains](https://tryethernal.com/app-chains): Block explorer for application-specific chains - [Launch a Custom EVM Block Explorer](https://tryethernal.com/launch-block-explorer): Launch a hosted or self-hosted EVM block explorer for any chain from an RPC URL in under 5 minutes. Block explorer hosting, white-label branding, MIT-licensed self-host. ## Developer Integrations - [Hardhat](https://tryethernal.com/hardhat-block-explorer): Hardhat plugin for automatic contract syncing and local development - [Anvil](https://tryethernal.com/anvil-block-explorer): Foundry Anvil integration for local chain exploration - [Ganache](https://tryethernal.com/ganache-block-explorer): Ganache integration for Truffle-based development - [GitHub Actions](https://tryethernal.com/github-actions): CI/CD integration for automated explorer setup - [Chainstack](https://tryethernal.com/chainstack): Chainstack managed node integration - [Kaleido](https://tryethernal.com/kaleido): Kaleido enterprise blockchain integration ## L2 Frameworks - [OP Stack](https://tryethernal.com/op-stack): Block explorer for OP Stack rollups with L1/L2 bridging, batch tracking, and output verification - [Arbitrum Orbit](https://tryethernal.com/arbitrum-orbit): Block explorer for Arbitrum Orbit chains with batch and withdrawal tracking ## Supported Chains - [Ethereum](https://tryethernal.com/chains/ethereum): Mainnet explorer - [Base](https://tryethernal.com/chains/base): Base L2 explorer - [Optimism](https://tryethernal.com/chains/optimism): Optimism L2 explorer - [Arbitrum One](https://tryethernal.com/chains/arbitrum-one): Arbitrum One explorer - [Blast](https://tryethernal.com/chains/blast): Blast L2 explorer - [Mode](https://tryethernal.com/chains/mode): Mode Network explorer - [Zora](https://tryethernal.com/chains/zora): Zora Network explorer - [Polygon PoS](https://tryethernal.com/chains/polygon-pos): Polygon PoS explorer - [BNB Chain](https://tryethernal.com/chains/bnb-chain): BNB Chain explorer - [Sepolia](https://tryethernal.com/chains/sepolia): Sepolia testnet explorer - [Holesky](https://tryethernal.com/chains/holesky): Holesky testnet explorer - [Base Sepolia](https://tryethernal.com/chains/base-sepolia): Base Sepolia testnet explorer - [Arbitrum Sepolia](https://tryethernal.com/chains/arbitrum-sepolia): Arbitrum Sepolia testnet explorer - [Arbitrum Nova](https://tryethernal.com/chains/arbitrum-nova): Arbitrum Nova explorer - [Degen Chain](https://tryethernal.com/chains/degen-chain): Degen Chain explorer - [Xai](https://tryethernal.com/chains/xai): Xai gaming chain explorer - [Proof of Play Apex](https://tryethernal.com/chains/proof-of-play-apex): Proof of Play Apex explorer - [Redstone](https://tryethernal.com/chains/redstone): Redstone explorer - [Lisk](https://tryethernal.com/chains/lisk): Lisk L2 explorer - [Cyber](https://tryethernal.com/chains/cyber): Cyber explorer - [Mint](https://tryethernal.com/chains/mint): Mint explorer ## Comparisons - [Etherscan Alternative](https://tryethernal.com/etherscan-alternative): Ethernal as an open-source Etherscan / Arbiscan / BscScan / Basescan / Optimistic Etherscan alternative for custom EVM chains. Self-hostable, MIT licensed, published pricing vs Etherscan's closed-source Explorer-as-a-Service. - [Blockscout Alternative](https://tryethernal.com/blockscout-alternative): Ethernal vs Blockscout for L2s, appchains, and rollups. Hosted (no Postgres/Redis ops) vs self-host, faster setup, modern UI, transparent pricing. - [Routescan Alternative](https://tryethernal.com/routescan-alternative): Ethernal vs Routescan. Open source vs closed source, no vendor lock-in, custom domain on every paid plan. - [Build vs Buy Block Explorer](https://tryethernal.com/build-vs-buy-block-explorer): Should you build a custom block explorer or use Ethernal? Cost ($150K+ vs $0-$500/mo), timeline (3-6 months vs 5 minutes), maintenance, and feature parity. ## Free Tools - [Calldata Decoder](https://tryethernal.com/tools/calldata-decoder): Free online tool to decode Ethereum transaction calldata into human-readable function calls, or encode function signatures into calldata. Supports auto signature lookup via 4byte.directory and custom ABI input. Runs entirely in your browser. - [4byte Function Signature Lookup](https://tryethernal.com/tools/4byte-lookup): Free tool to look up Ethereum function signatures by their 4-byte selector, or search signatures by name. Uses 4byte.directory and client-side keccak256 hashing. - [Unit Converter](https://tryethernal.com/tools/unit-converter): Free Ethereum unit converter between Wei, Gwei, Ether, Finney, Szabo, and all EVM denominations. Arbitrary-precision, runs in your browser. - [Block Date Converter](https://tryethernal.com/tools/block-date-converter): Free tool to convert between block numbers and dates on any EVM chain. Look up block timestamps or find the nearest block to a date via RPC. ## Blog - [On-Chain Engineering Blog](https://tryethernal.com/blog): Technical articles on EVM internals, EIPs, L2 architecture, and smart contract development ## Documentation - [API Reference](https://documenter.getpostman.com/view/12141908/2s83zfQ5Tf): Postman collection for Ethernal's REST API - [Documentation](https://doc.tryethernal.com): Full product documentation - [GitHub](https://github.com/tryethernal/ethernal): Open-source repository ## Optional - [Terms of Service](https://tryethernal.com/terms) - [Privacy Policy](https://tryethernal.com/privacy) - [Contact](https://tryethernal.com/contact-us)