Difference between revisions of "Block explorer"

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A block explorer is a tool that users can visualise a blockchain's history with. Each blockchain can be visualised using many different types of block explorer. Block explorers are usually visual representations of the data collected on an archive node of a blockchain.
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.
 
=== Different block explorers ===
[https://etherscan.io/ Etherscan] is one type of block explorer. This is the most prominent smart-contract chain block explorer. It is used for Ethereum mainnet.
 
[https://bscscan.com/ BSCScan], another block explorer created by the same team as Etherscan, is the block explorer used to visualize the BnB Chain. 
 
[https://polygonscan.com/ Polygonscan] is used on the Polygon blockchain.  
 
[https://snowtrace.io/ Snowtrace] is used on the Avalanche Contract Chain network.
 
[https://ftmscan.com/ FTMScan] is used on the Fantom Opera network.
 
[https://solanabeach.io/ Solanabeach] is used on the Solana network.
 
The [https://explorer.near.org NEAR Explorer] is used on the NEAR network.
 
[https://cronoscan.com/ Cronoscan] is used on the Cronos network.
 
TerraFinder is used on the Terra network.
 
[https://arbiscan.io/ Arbiscan] is used on the Arbitrum network.
 
This is by no means an exhaustive list. Many chains have multiple block explorers. Many newer chains use an open source [https://github.com/blockscout/blockscout 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. Indeed, given that Solana currently does not have any public archive nodes, it is impossible to say that it even possesses a block explorer if users cannot a transaction that happened a year ago. Some features present on etherscan:
{| class="wikitable"
{| class="wikitable"
|Address
|+Block Explorer Chart
|-
!Block Explorer
|balance
!Blockchain
|-
|Source value
|-
|token list
|-
|-
|complete archive of every transactions
|[https://etherscan.io/ Etherscan]
|[[Ethereum]]
|-
|-
|internal txns
|[https://bscscan.com/ BSCScan]
|[[Binance Smart Chain]]
|-
|-
|erc-20 (or equivalent) token transactionns
|[https://polygonscan.com/ Polygonscan]
|[[Polygon]]
|-
|-
|erc-721 (or equivalent) token txns
|[https://ftmscan.com/ FTMScan]
|[[Fantom]]
|-
|-
|labels
|[https://explorer.solana.com/ Solana Explorer]
|[[Solana]]
|-
|-
|contract source code
|[https://explorer.near.org NEAR Explorer]
|[[NEAR]]
|-
|-
|interaction analytics
|[https://cronoscan.com/ Cronoscan]
|[[Cronos]]
|-
|-
|transaction action section
|[https://finder.terra.money/ TerraFinder]
|[[Terra]]
|-
|-
|DEX Trades for Tokens
|[https://arbiscan.io/ Arbiscan]
|[[Arbitrum]]
|-
|-
|Holder distribution lists
|[https://snowtrace.io/ Snowtrace]
|[[Avalanche]]
|-
|-
|Token approval list
|[https://mapofzones.com/?testnet=false&period=24 Map of Zones]
|[[IBC]] Compatible Chains ([[Cosmos]])
|}
|}
''Non-exhaustive list''. Many chains have multiple block explorers. Many newer chains use an [[open source]] [https://github.com/blockscout/blockscout 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|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.
In addition, other features like diffcheckers are possible.
[[Category:Tools]]
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