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Blockchain’s public ledger is a powerful OSINT resource. The tools below range from free explorers for individual transaction lookups to professional forensic platforms used in law enforcement and compliance.

Specialized tools

ToolBlockchainURLFunction
Chainalysis ReactorMulti-chainhttps://www.chainalysis.comForensic analysis professional
EllipticBitcoin, Ethereumhttps://www.elliptic.coMoney laundering detection
Arkham IntelligenceMulti-chainhttps://www.arkhamintelligence.comEntity mapping with AI
GlassnodeOn-chain analyticshttps://glassnode.comAdvanced metrics
EtherscanEthereumhttps://etherscan.ioMain explorer
Blockchain.infoBitcoinhttps://www.blockchain.com/explorerClassic explorer
BlockCypherMulti-chain APIhttps://www.blockcypher.comFree API
Wallet ExplorerBitcoinhttps://www.walletexplorer.comWallet analysis

Investigation methodology

1

Identify wallet address

Obtain the target wallet address from transaction records, forum posts, or other OSINT sources.
2

Search in Arkham Intelligence

Look up the address in Arkham Intelligence to check for known entity labels and cluster mappings.
3

Analyze transactions

Examine the full transaction history in Etherscan (Ethereum) or Blockchain.info (Bitcoin) to map inflows, outflows, and counterparties.
4

Trace fund flow with BlockCypher

Use the BlockCypher free API to programmatically trace fund flows and identify linked addresses across chains.
5

Check in Chainalysis if available

For professional investigations, run the address through Chainalysis Reactor to access risk scoring, cluster analysis, and exposure reports.

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