Block explorer
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A block explorer is a tool that allows users to view real-time information about a blockchain. There are usually multiple block explorers for each blockchain. As each block is processed in a given blockchain, block explorers allow users to view transaction data, addresses, fees, and much more.
| Block Explorer | Blockchain |
|---|---|
| Etherscan | Ethereum |
| BSCScan | Binance Smart Chain |
| Polygonscan | Polygon |
| FTMScan | Fantom |
| Solana Explorer | Solana |
| NEAR Explorer | NEAR |
| Cronoscan | Cronos |
| TerraFinder | Terra |
| Arbiscan | Arbitrum |
| Snowtrace | Avalanche |
| Map of Zones | IBC Compatible Chains (Cosmos) |
Non-exhaustive list. Many chains have multiple block explorers. Many newer chains use an open source BlockScout as a basic block explorer before a block explorer with more utility is put in place.
Block explorer features
Some block explorers possess more functionality than others.
Features present on Etherscan:
- contract address
- balance
- source value
- token list
- complete archive of every transaction
- internal transactions
- erc-20 (or equivalent) token transactions
- erc-721 (or equivalent) token txns
- labels
- contract source code
- interaction analytics
- transaction action section
- DEX Trades for Tokens
- Holder distribution lists
- Token approval list
In addition, other features like diffcheckers are possible.