Bitcoin Address Lookup

Network & Web, Search

Free
No Download/Install required
No registration

https://www.bitcoinwhoswho.com/

Provide any Bitcoin address and it will return any related information, such as last transactions, email, attached URL and other datas: BitcoinWhosWho is a blockchain forensics and investigative platform that provides a comprehensive database of Bitcoin addresses associated with illicit activities, including scams, ransomware, and dark web transactions.

The service aggregates crowdsourced reports, public records, and automated web crawling data to attribute real-world identities, aliases, and website appearances to pseudonymous wallet addresses. Key features include a visual blockchain explorer, real-time transaction alerts, and a risk-scoring API that allows users to verify the reputation of a counterparty before initiating a transfer.

Indicates also if there is a scam reported to this address.

Disciplines: Cryptocurrency, OSINT, Law enforcement, Fraud investigation, Finance.

Free alternative to Chainalysis, WalletExplorer.

Bitcoin Address Lookup compared with Chainalysis and WalletExplorer
Bitcoin Address Lookup (BitcoinWhosWho)	Chainalysis	WalletExplorer
Attribution approach: BitcoinWhosWho links an address to names, email addresses, URLs and keywords. Users who sent or received bitcoin can tag addresses, so part of the attribution is community supplied.	Attribution approach: Chainalysis sells investigation and compliance products. Reactor traces funds across blockchains, and KYT monitors transactions in real time.	Attribution approach: WalletExplorer groups Bitcoin addresses into wallets and labels them, for example exchanges, mining pools, services and gambling sites. Grouping is the core of the site.
Search inputs: You can search by name, Bitcoin address, email address, URL or keyword. The page also shows whether an address carries a scam alert.	Search inputs: The product pages describe tracing and monitoring workflows. They do not list individual search input types.	Search inputs: The search accepts address, txid, partial txid, firstbits, XPUB, YPUB, ZPUB, internal wallet ID or service name. Whole wallets can be downloaded as CSV.
Monitoring and alerts: Email notifications are sent when a monitored address shows blockchain activity. Users can also report scams.	Monitoring and alerts: KYT is designed for real-time transaction monitoring.
Chain scope: The tool is centred on Bitcoin addresses. The page also links to guidance on reporting crypto scams by country.	Chain scope: Chainalysis traces funds across blockchains, so it is not limited to Bitcoin.	Chain scope: WalletExplorer is a Bitcoin block explorer only. It states it was updated to block 972051 on 2026-10-18.
Access and cost: The page mentions Login and Signup and links an API page. No pricing is shown.	Access and cost: Pricing is not published, and the site offers a demo request. Customers named on the site include Coinbase, Kraken and IRS-CI.	Access and cost: The site notes that its author now works at Chainalysis, which it describes as having better wallet detection and visualization tools.

Topics covered: Bitcoin Address Lookup, blockchain forensics, investigative platform, Bitcoin addresses, illicit activities, scams, ransomware, dark web transactions, crowdsourced reports, visual blockchain explorer, real-time transaction alerts, risk-scoring API, pseudonymous wallet addresses, reputation verification, transaction history, scam reporting, automated web crawling ISO/IEC 27001, ISO/IEC 27002, ISO 31000, ISO/IEC 29100, and ISO 9001..