Etherscan alternatives - other Ethereum block explorers

What you're looking for

People search "Etherscan alternative" for a handful of reasons. Some want an explorer with a different UX or a more developer-focused interface. Some want an open-source explorer they can self-host or audit. Some hit a rate limit on a free API tier and want a second source for the same lookup. Some specifically want consensus-layer data, like validator activity, that a transaction-focused explorer does not surface. The right alternative depends on what you actually need to see, not on which explorer is "best" in the abstract.

Etherscan is the most widely linked Ethereum explorer, and most wallets, dashboards, and docs cross-link to it by default. That makes the Ethereum explorer space less of a true substitute market and more of a complement market: alternatives exist for specific workflows, not as drop-in replacements for every Etherscan page.

How tx.taxi fits

tx.taxi is a universal block-explorer router, not an Ethereum explorer. When you paste an Ethereum address, transaction hash, block hash, or block number at tx.taxi/{value}, the router runs a regex classifier, picks the configured primary Ethereum explorer, and 302-redirects you straight to the right /address/, /tx/, or /block/ page. tx.taxi does not host Ethereum data, does not index the chain, and does not maintain its own copy of contract source.

By default, tx.taxi's primary Ethereum explorer is Etherscan, which is why most lookups land there. The architecture, though, is registry-driven: the src/chains.ts file defines a sorted explorer list per chain, and the lowest-priority explorer is used as the redirect target. If you self-host tx.taxi or fork the project, you can point Ethereum lookups at any other Ethereum explorer that supports the same URL shape. That means tx.taxi works equally well as a front door to Etherscan or to an alternative - the routing decision happens once, in your configuration, instead of every time you paste an address.

Other Ethereum explorers worth knowing

• Otterscan - open-source Ethereum explorer focused on developer workflow and rich call tracing, designed to run against your own node.
• Beaconcha.in - explorer focused on the Ethereum consensus layer: validators, attestations, slots, and epochs rather than execution-layer transactions.
• Etherchain - long-running Ethereum explorer that has been around since the early days of the network.
• Blockscout - open-source block explorer used by many EVM networks, including community-run instances for Ethereum mainnet.
• Ethplorer - Ethereum explorer with a focus on ERC-20 token activity and portfolio views.

These descriptions are intentionally short and neutral. Feature sets, API quotas, and supported data change over time, and the explorer teams document their own products better than a third-party page can. Click through and read each project's site before relying on it for a specific workflow.

When to use what

If you want contract verification, ERC-20/ERC-721 token pages, and the default behavior most other crypto sites link to, Etherscan is the obvious choice and the one tx.taxi sends you to by default. If you care about validator performance, beacon chain slots, or consensus participation, beaconcha.in is built around exactly that data. If you are debugging a contract call and want a detailed trace view, Otterscan against your own node tends to surface information that consumer-grade explorers compress. If you need an open-source explorer you can run yourself, Blockscout is a common pick.

For multi-chain lookups, the alternative is not another Ethereum explorer at all - it is a router like tx.taxi that handles Ethereum and Bitcoin, Solana, Tron, TON, Sui, Cardano, and dozens of others from the same URL. Paste any address at tx.taxi/{value} and you skip the chain picker entirely.

See also: /chains/ethereum for tx.taxi's Ethereum routing details, and /api for the JSON resolver that uses the same routing brain.