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PolySign

San Francisco, CA, United States Fintech Acquired

PolySign is a digital asset infrastructure company that provides institutional-grade custody, settlement, and escrow solutions for financial institutions. The company develops proprietary blockchain technology for securing digital assets across capital markets and payments sectors.

Acquired

PolySign has been acquired

Acquired by Ripple June 11, 2024

This company is no longer available on our private secondary market.

Overview

Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Founded

2017

Employees

51–200

Total Funding

$135.29M

4 rounds

Latest Valuation

$0.5B

June 28, 2022

Funding

Total raised $135.29M across 4 rounds

Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Last updated 06-25-2026

Latest Round

Type

Series C

Date

June 28, 2022

Amount

$53M

Valuation

$0.5B

Lead Investors

Cowen DigitalBrevan Howard Digital
DateRoundAmount RaisedValuationLead Investors
June 28, 2022 Series C $53M $0.5B Cowen Digital, Brevan Howard Digital
June 28, 2022 Debt $25M Boathouse Capital
May 13, 2021 Series B $53M Cowen Inc.

Prominent Investors

Brevan Howard GSR Cowen Digital

Leadership

  • Jack McDonald

    CEO

    LinkedIn
  • Tim Keaney

    Vice Chairman

  • Arthur Britto

    Founder, President

    LinkedIn
  • David Schwartz

    Board Member, Advisor

Competitors

Competitor list is illustrative and may be incomplete, stale, or erroneous.

  • Metaco

    Swiss-based digital asset custody and settlement platform, acquired by Ripple in 2023

  • Fidelity Digital Assets

    Institutional digital asset custody provider

  • Coinbase Custody

    Institutional-grade cryptocurrency custody service

  • Kraken Institutional

    Institutional digital asset custody and trading

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Data collected with AI, which can make mistakes. Please double-check this information.