Etherscan

etherscan.io

Etherscan is a block explorer and analytics platform for Ethereum, a decentralized smart contracts platform. Etherscan hosts a collection of web-based tools for exploring the public Ethereum network, based on the transactions that have been confirmed on the Ethereum blockchain. As a blockchain explorer, Etherscan can only provide and display information on transactions that occur on the Ethereum blockchain. Etherscan does not process transactions and is unable to troubleshoot transaction failures.