A block explorer is a website or tool for viewing blockchain data such as transactions, blocks, addresses, contracts, and token transfers.
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Short definition
Block Explorer is a block explorer is a website or tool for viewing blockchain data such as transactions, blocks, addresses, contracts, and token transfers.
Simple explanation
Block explorers let users inspect public on-chain activity.
Why it matters
Explorers are essential for verifying transaction status, contract addresses, token transfers, and wallet activity.
Example context
A user can paste a transaction hash into a block explorer to check whether it succeeded.