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STILLMARK

Actively deploying

Los Angeles Β· 2 people tracked

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Investment thesis

Stillmark is a venture capital firm focused on investing in companies building infrastructure and applications for a Bitcoin-powered future.

Invests inCrypto & Web3Los Angeles

Source: firm website, verified Jul 20, 2026.

HQ
Los Angeles, US
Tracked investments
16

Team Β· 2 people

from the firm's website
Alyse KilleenΒ· Founder & Managing Partner

Founder and General Partner of Stillmark with over a decade of experience investing in frontier technologies. She entered the bitcoin industry in 2013 as an early institutional investor and founded Stillmark in 2019 to focus on durable innovation in the bitcoin ecosystem. Prior to founding Stillmark, she worked at Los Angeles-based venture capital firms Clearstone Ventures Partners and March Capital Partners, with expertise in data science, cloud networking, and cybersecurity.

Vikash SinghΒ· Principal

Principal Investor at Stillmark since 2021 focused on identifying private market companies leveraging bitcoin and Lightning Network technologies. Previously a Research Engineer at Google's X and Alphabet's Sandbox division, working on machine learning, biotechnology, and quantum computing projects. He has over a decade of research experience with published scientific papers and patents, and earlier led AI/ML engineering at Heal, a healthtech company.

What they invest in

from 1 of 16 portfolio companies

Crypto & Web3 Γ—1Fintech Γ—1

HQs:FranceΓ—1United StatesΓ—1

Investments Β· 16 tracked

founders shown can be your intro path
Alpen Labs

Develops infrastructure for expressive verifiable computation (smart contracts) on bitcoin.

Amboss

Enterprise products that optimize Lightning payment efficiency and enable tailored parameters in payment operations.

Bitstackbitstack-app.comin𝕏

Bitstack is a mobile application that enables automatic, low-friction bitcoin savings through recurring purchases and round-up features linked to users' bank accounts. The platform serves retail investors across Europe seeking to accumulate bitcoin over time.

Crypto & Web3FintechParis, FR

Alexandre Roubaud(Founder)inKabir Sethi(Founder)in

Casa

The leading provider of self-custody software and wealth management tools for bitcoin, stablecoins, and ETH.

Clovyr

Makes it easy to use, share and build decentralized software and applications.

Gridless

Brings bitcoin mining to the renewable energy mecca of Africa.

Hoseki

Bitcoin's first and leading proof-of-reserves platform.

IBEX

Pioneer in the development of Lightning-as-a-Service infrastructure for enterprise and SMBs, with a focus on LATAM and emerging markets.

Lightning Labs

Builds global payment protocols and tools for reliable, high-volume transacting.

LND Work

Develops and maintains Stak and Sphinx Chat, global products built with Lightning at the intersection of Lightning and frontier AI.

Meanwhile

Bitcoin-denominated life insurance company making financial protection accessible in the digital economy

pnkfrg studios

Re-imagining social and making it playable.

Satoshi Energy

Connects renewable energy assets with bitcoin miners under forward thinking power contracts.

Striga

Provides fully compliant crypto and banking APIs for Europe.

VIDA

Operates at the intersection of the bitcoin and telecom industries.

Voltage

Offers enterprise-grade, cloud node hosting to enable full control of Lightning Network payment technology.

Board seats Β· per SEC filings

what is this? β“˜
Satoshi Energy CorpSEC filing

$4.1M raise Β· filed Nov 2023 Β· via Alyse Killeen

Inferred from directors named on each company's SEC Form D β€” public regulatory data, not a portfolio list published by the firm.

Frequently asked questions

What sectors does STILLMARK focus on?
STILLMARK focuses on Crypto & Web3.
Where is STILLMARK located?
STILLMARK is headquartered in Los Angeles, US.

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