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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 5%

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.

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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

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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21bitcoin Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersSalzburg
Employee Range26
Year Founded2020
Last FundingNov 6, 2023

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