What is a Block Explorer?. A block explorer is a website or app that lets anyone inspect addresses, transactions, blocks, and token contracts on a blockchain.
How it works
Explorers index on‑chain data and present it with search, links, and decoded fields. They read the same chain your wallet does.
Why it matters
Explorers make activity auditable and help users confirm transfers, fees, and contract interactions.
Common pitfalls
- Clicking sponsored “contract” links that are not official
- Confusing testnet data with mainnet
- Relying on explorer labels as truth without verification
Quick example
You paste a transaction hash into an explorer to check confirmations before sending goods to a buyer.
See also
- Hashing
- On‑Chain vs. Off‑Chain
- Gas Fee
TL;DR: What is a Block Explorer? defined in plain English with practical next steps.
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