Is BTC Sniffer free to track Bitcoin?

Yes. BTC Sniffer is a free Bitcoin forensics tool. There is no account and nothing to install — paste an address and press Sniff.

Can I trace where Bitcoin was sent?

Yes. Use 'Sent to' to list the addresses an address paid, or 'Highest outgoing' to follow the single biggest payment for up to five hops. The Flow view shows the biggest inflows and outflows together with a clickable trail and a graph.

Which Bitcoin address types are supported?

Every format — legacy (1…), P2SH (3…), SegWit (bc1q…) and Taproot (bc1p…).

Track Bitcoin transactions by address — free

Bitcoin forensics for everyone. See an address’s balance, who it paid and who paid it, and follow the flow of value across every address format (legacy, P2SH, SegWit and Taproot). Live BTC price in USD, GBP and EUR.

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Enter a valid Bitcoin address above and pick a mode to begin.