Start9
Companies
Builds sovereign computing hardware and software (StartOS) for running Bitcoin and Lightning nodes at home. Personal server that replaces cloud dependency with self-hosted sovereignty.
Details
- Type
- Bitcoin Infrastructure / Sovereignty
- Public
- No
- Sector
- bitcoin_infrastructure
- Ticker
- Private
- Founded
- 2019
- Btc Holdings
- N/A
- Founded Year
- 2021
- Headquarters
- Denver, Colorado
More Companies
Strategy (formerly MicroStrategy)
Strategy (Nasdaq: MSTR), formerly MicroStrategy, is the world's largest corporate Bitcoin holder. Founded by Michael Saylor, the company rebranded in 2025 to reflect its identity as a Bitcoin treasury company. It holds over 500,000 BTC accumulated through equity and debt financing, pioneering the corporate Bitcoin standard that inspired hundreds of companies worldwide.
Acurx Pharmaceuticals
Acurx Pharmaceuticals (NASDAQ: ACXP) is a US biopharmaceutical company that made headlines in November 2021 by adopting Bitcoin as its primary treasury reserve asset — one of the first pharmaceutical companies to do so. The company approved purchasing $1 million in Bitcoin and has continued to hold BTC alongside its drug development pipeline focused on antibiotics. Notable for crossing industry boundaries to embrace the Bitcoin standard.
aifinyo AG
aifinyo AG is Germany's first pure-play Bitcoin treasury company, announced in October 2025. Founded in 2012 and publicly listed since 2018, the company operates two BaFin-regulated subsidiaries — aifinyo finance GmbH (factoring and leasing) and aifinyo payments GmbH (payment institution) — serving 8,000 business customers through its Smart Billment invoice management platform. The company has adopted a MicroStrategy-style strategy, with UTXO Management as a strategic investor, targeting accumulation of 10,000 BTC by 2027.
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