Boston, MA · Founded 2015 · Privately Held (backing)
Developer of a secure transaction management platform designed for enhanced identity validation for participants. Proof (Boston) is based in Boston, MA and was founded in 2015. Its last reported valuation was $1 billion in Nov 2025. It has raised $321 million.
Last reported valuation
$1.0B
Oct 2026
Priced at
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Total raised
$321.3M
Last round
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Team — not yet on record
No current team members for Proof (Boston) are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·The complete investor list: 34 names
·Watch Proof (Boston): the Monday email on marks, rounds and moves
