// OSINT OPEN ACCESS RESEARCH > BLOCKCHAIN EXPLORERS

Etherscan:
Free, unauthenticated block explorer for inspecting transactions, smart contract code, and ERC token movements on the Ethereum network.

Blockchair:
Multi-chain search engine allowing unauthenticated address, block, and transaction queries across dozens of networks with a strong privacy stance.

Blockstream Explorer:
Open-source, zero-telemetry Bitcoin and Liquid network explorer built on the Esplora engine, requiring no account registration.

Mempool.space:
Open-source, AGPL-licensed Bitcoin mempool visualizer and chain explorer focusing on real-time fee markets, self-hostable with zero user tracking.

Ethplorer:
Free web utility for examining Ethereum address token balances, ERC-20 transaction histories, and transfer volumes without signups.

BitInfoCharts:
Free multi-cryptocurrency analytics engine and rich-list directory providing raw chain statistics and address distributions without account locks.

BSCScan:
Free, unauthenticated network explorer for querying transactions, smart contracts, and token analytics on the BNB Smart Chain.

Polygonscan:
Free web explorer for querying wallet balances, transaction hashes, and smart contract verification on the Polygon network.

Arbiscan:
Free, unauthenticated block explorer for tracing transactions, smart contracts, and wallet balances on Arbitrum networks.

Tronscan:
Official network explorer allowing direct unauthenticated tracking of TRC-20 token transfers and TRON smart contracts.

Solscan:
Free web explorer for querying Solana account balances, SPL token transfers, and transaction execution details.

Solana Explorer:
Official, non-paywalled block explorer maintained by the Solana Foundation for inspecting cluster activity and wallet state.

CardanoScan:
Free web utility permitting unauthenticated queries for ADA transactions, stake pool metrics, and native Cardano tokens.

XRPSCAN:
Open-access explorer for analyzing payment paths, trustlines, and wallet balances across the XRP Ledger.

OXT:
Advanced Bitcoin visual analysis platform offering free UTXO flow mapping, transaction clustering, and network privacy metrics without signups.