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21bitcoin

21bitcoin

Private
SalzburgCrypto & Web3https://21bitcoin.app/en

Last Round

Seed

Nov 6, 2023

Total Funding Raised

$2.25M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

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

Sector

Crypto & Web3

Verticals

Crypto Exchanges, Digital Wallets, Digital Payments, Investment Platforms, Personal Finance

Business Model

B2C

Customer Profile

Payment Processing Fee

AI Layer

Non-AI

Keywords

bitcoin exchangebitcoin walletbitcoin debit cardcrypto on-rampdcadollar cost averagingbitcoin savings plancrypto appbitcoin only exchangecrypto custodybitcoin bankingeuropean economic areaEEAbitcoin railswhite-label crypto

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

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%

21bitcoin Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedNov 6, 2023

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

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.

21bitcoin Filings

Explore SEC and related filing metadata, where available.

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

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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 with no public stock price. No recent secondary market data is available.

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. Visit https://www.caplight.com to learn more.

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 for private companies. Visit https://www.caplight.com to monitor 21bitcoin's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSalzburg
Employee Range18
Year Founded2020
Last FundingNov 6, 2023

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