1Confirmation

Venture capital · San Francisco, Nevada

1Confirmation is a venture capital firm based in San Francisco, Nevada. Founded in 2017 20 portfolio companies and 6 recorded rounds are on record.

AUM
—
Portfolio companies
20
Recorded deals
6
Last investment
Feb 2025

1Confirmation key facts

  • 1Confirmation is a venture capital firm based in San Francisco, Nevada with 20 tracked portfolio companies.
  • Notable positions include Polymarket, Discord, World.
  • PrivateMarketView records 6 deal participations by 1Confirmation.
  • 1Confirmation’s most recent recorded investment was in Feb 2025 and 1 over two years.
  • The team roster lists 2 people.

About 1Confirmation

Founded in 2017

Investment activity

1Confirmation joined 2 recorded rounds in the last two years, down from 3 in the two years before. By year: 2 in 2025, 2 in 2024 and 1 in 2022. Across all 6 recorded rounds, 4 were later-stage, 1 were early-stage and 1 were seed. 1Confirmation most often invests alongside 1789 Capital (3 shared rounds), Abstract Ventures (3 shared rounds) and Blockchain Capital (3 shared rounds). Most recently: Polymarket (Series C, Aug 2025) and Polymarket (Series B, Feb 2025).

1Confirmation portfolio at a glance

20 portfolio companies are on record for 1Confirmation, including Polymarket, Discord and World.

10 of the 20 carry a recorded valuation and 2 have recorded secondary-market trades, the names a secondary buyer or seller can price.

1Confirmation team

2 people are on record at 1Confirmation. Senior names include Mike Tomaino (Partner) and Nicholas Tomaino (Founder). 1 of them have a verified direct contact on file.

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1Confirmation at the SEC

Form ADV · 2026-03 · CRD 295180
Regulatory AUM
—
Private fund assets
$860.0M
Private funds
10 · 1 venture, 8 private equity, 1 other
Staff
4
Registered office
INCLINE VILLAGE, NV
SEC status
Approved

Reports custody of client assets.

Source: SEC Investment Adviser Public Disclosure, Form ADV (registered as 1CONFIRMATION GLOBAL, LLC).

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  • ·The 10 latest deals — of 6 rounds
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Portfolio

20 companies · priced for members
CompanyValuationRole
Polymarket▮▮
Discord▮▮
World▮▮
+ 17 more companies · all 20, priced and dated
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1Confirmation recent deals

6 recorded
Aug 2025PolymarketSeries C▮
Feb 2025PolymarketSeries B▮
Aug 2024PolymarketLater Stage VC▮
+ 3 more deals · amounts and lead flags are a member featureUnlock all 6 deals

Membership and data by Private Market View

Team
2 people on record — 1 with verified contacts

Partners, principals, and the people who answer a pitch. Pro members reveal contacts with credits.

See the team →

Frequently asked about 1Confirmation

What companies does 1Confirmation invest in?
1Confirmation has 20 recorded portfolio companies, including Polymarket, Discord, World.
Is 1Confirmation actively investing?
1Confirmation's most recent recorded investment was in Feb 2025.