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21bitcoin

21bitcoin

Private

Last Round

Seed

Nov 6, 2023

Total Funding Raised

$2.25M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

21bitcoin operates in FinTech and is based in Salzburg. Its latest recorded funding round was a Seed round in November 2023.

21bitcoin is a fintech company that provides a Bitcoin-only investment platform for buying, selling, and storing Bitcoin.

Sector

FinTech

Verticals

Crypto Exchanges, Digital Wallets, Wealth Management

Business Model

B2C

Customer Profile

Payment Processing Fee

AI Layer

Non-AI

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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21bitcoin Comparables

Compare 21bitcoin with similar companies based on industry and business-model similarity.

21bitcoin comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Relai
85%
Coinfinity
84%
StackinSat
84%
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21bitcoin Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedNov 6, 2023
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Key People

Founding team and executive leadership

Dominik Seibold

CTO & Co-Founder 21bitcoin

Founding Team

Daniel Winklhammer

CEO

Executive Team

Alexander Birke

CFO, Business Angel & Advisor

Executive Team

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Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 26, 2026

    Monthly visitors increased 37% MoM.

  • Nov 8, 2025

    Monthly visitors increased 50% MoM.

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21bitcoin Filings

Explore SEC and related filing metadata, where available.

21bitcoin filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

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Frequently Asked Questions

Common questions about 21bitcoin's valuation, stock price, and market status.

Is 21bitcoin a public or private company?

21bitcoin is a private company.

What is the current stock price of 21bitcoin?

21bitcoin is a private company, so its shares have no public market price. Caplight tracks 21bitcoin's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is 21bitcoin worth (valuation)?

Valuation information for 21bitcoin is not publicly available.

Can I buy 21bitcoin stock?

21bitcoin shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was 21bitcoin's last funding round?

21bitcoin's most recent funding round was Seed on November 6, 2023.

Who are the main investors in 21bitcoin?

Investor information for 21bitcoin is not publicly disclosed.

Will 21bitcoin IPO soon?

No public IPO plans have been announced for 21bitcoin.

How can I track 21bitcoin secondary market activity?

Caplight tracks bids, offers, and trades in 21bitcoin's shares on secondary markets.

Firmographic Details

HeadquartersSalzburg
Employee Range18
Year Founded2020
Last FundingNov 6, 2023

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

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