Block Explorer
A web tool for viewing blockchain blocks, transactions, and addresses.
A web tool for viewing blockchain blocks, transactions, and addresses.
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Sep 2026 · Freshness Score: 50%
Was ist Block Explorer?
A web tool for viewing blockchain blocks, transactions, and addresses.
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- Authority Node
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A block explorer indexes blockchain data from nodes into a searchable database and serves it through a web interface and API. Users can look up a transaction hash to see its status, fees, and confirmations; an address to see its balance and
Block explorers provide transparency and verifiability — anyone can independently check that a payment arrived or that a contract holds funds. They are essential for debugging transactions, conducting research, and building trust in on-chai
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1. What Is a Block Explorer
A block explorer is a web tool that lets anyone browse the contents of a blockchain — blocks, transactions, addresses, and tokens. It is the primary way users and developers inspect on-chain activity.
2. How It Works
A block explorer indexes blockchain data from nodes into a searchable database and serves it through a web interface and API. Users can look up a transaction hash to see its status, fees, and confirmations; an address to see its balance and history; or a token to see holders and transfers. Explorers also surface network metrics like gas prices and block times.
3. Why It Matters
Block explorers provide transparency and verifiability — anyone can independently check that a payment arrived or that a contract holds funds. They are essential for debugging transactions, conducting research, and building trust in on-chain systems. For businesses, explorer APIs power analytics and auditing.
4. Key Facts
- Ethereum: Etherscan is the dominant explorer
- Bitcoin: mempool.space, Blockstream Explorer
- Chain-specific explorers exist for nearly every network
- Most explorers offer public APIs with rate limits
5. Related Concepts
- rpc
- indexer
- onchain-analytics
- transaction-simulation
Frequently Asked Questions
What is Block Explorer?
A web tool for viewing blockchain blocks, transactions, and addresses.
How does Block Explorer work?
A block explorer is a web tool that lets anyone browse the contents of a blockchain — blocks, transactions, addresses, and tokens. It is the primary way users and developers inspect on-chain activity. A block explorer indexes blockchain data from nodes into a searchable database and serves it throu
Why does Block Explorer matter in Web3?
- indexer - onchain-analytics - transaction-simulation