Transaction outputs / Supported lookups

BitcoinFollow outputs, not assumptions.

Bitcoin transactions spend earlier outputs and create new ones. An output is a specific amount that can be spent later. Following those exact links reveals a sequence without needing to guess who owns an address.

Guide reviewed 2026-10-14 · Forensia

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The useful question

Where was this output spent next?

Inspect the inputs, outputs and fee. Follow a supported spent-output link, and compare alternative allocation assumptions when several inputs are combined.

Where the evidence stops

An output link is observable. Which person controls it, which output is change, or how mixed value should be allocated may remain uncertain.

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Try it in Forensia

Start with a public identifier. Read the summary, then open its activity and sources. The workspace keeps its existing first-search name and email step; reading these guides does not require it.

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Where was this output spent next?

Try it in Forensia

See the idea in a real case

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