STILLMARK
Venture capitalActively deployingLos Angeles Β· 2 people tracked
Also known as STILLMARK LL Β· STILLMARK MANAGEMENT LLC
Investment thesis
Stillmark backs founders building the infrastructure and applications of a bitcoin-powered future. The firm focuses on companies across the bitcoin ecosystem, including Lightning Network technology, bitcoin-native financial products, custody and cryptography solutions, energy-efficient mining, and bitcoin-based insurance. Its portfolio spans companies applying bitcoin to reimagine financial services and infrastructure at scale.
Source: firm website, verified Aug 25, 2026.
Team Β· 2 people
from the firm's website
What they invest in
from 21 of 33 portfolio companiesCrypto & Web3 Γ16Fintech Γ14SaaS Γ5Enterprise Software Γ4Data & Infrastructure Γ3Energy Γ3AI & Machine Learning Γ2Cleantech Γ2
HQs:United StatesΓ6BermudaΓ2FranceΓ2BrazilΓ1GermanyΓ1EstoniaΓ1
Who they back
founder profiles across 8 portfolio companiesFounding team size:solo founderΓ32 foundersΓ43 foundersΓ1
Accelerator rootsportfolio companies that came through a program
Investments Β· 33 tracked
founders shown can be your intro pathBy year:2025 Β· 12023 Β· 12022 Β· 12016 Β· 14 dated
Satoshi Energy provides a platform and advisory services for large-load energy development, marketing construction-ready power sites to data center companies and helping generation, data center, and financing parties handle site selection, interconnection, contracts, and settlements.
CleantechEnergySaaSHouston, US
Alistair Croll(Co-founder)inAndrew Myers(Executive Officer, Director)Brock Petersen(Executive Officer, Director)
Board seatAlyse KilleenΒ· per SEC Form D
Co-investorsDG Daiwa VenturesHivemind Ventures, LlcPlassa Capital
Alpen Labs builds a Bitcoin layer-2 network that enables financial applications through a ZK rollup with optimistic bridge architecture.
Crypto & Web3FintechNew York City, US
Abishkar Chhetri(Founder)Pramod Kandel(Founder)Simanta Gautam(Founder)John LightTrey Del BonisLiam Eagen
Co-investorsCastle Island VenturesHivemind Ventures, LlcLaunchpad CapitalMirana VenturesResolute VenturesAsymmetric+3 more
Amboss provides data analytics and machine learning tools for the Bitcoin Lightning Network, offering routing optimization and risk management for merchants, consumers, and enterprise users.
AI & Machine LearningCrypto & Web3FintechPortland, US
Anthony Potdevin(Executive Officer, Director)inJesse Shrader(Executive Officer, Director)in
BoardEmanuele Rossi(ML Advisor)
Co-investorsDraper AssociatesFulgur Ventures
Amboss provides analytics, node and channel explorer tools, and free utilities (invoice/LNURL decoding, fiat-BTC conversion) for the Bitcoin Lightning Network.
Crypto & Web3Data & InfrastructureDeveloper Tools
Co-investorsDraper AssociatesValor Equity Partners
Ark provides a customizable digital platform for venture capital and private equity firms to manage investor communications, performance reporting, and document sharing with their limited partners.
Enterprise SoftwareFintechSaaS
Co-investorsAcies InvestmentsAloft VCAlta PartnersAmity VenturesArtis VenturesAsymmetric Capital Partners+21 more
Bipa is a Brazilian financial app that enables users to buy, sell, and manage Bitcoin and US Dollar holdings through Pix transfers and a branded credit card offering Bitcoin cashback.
Crypto & Web3FintechSΓ£o Paulo, BR
Co-investorsHivemind Ventures, Llc
Bitstack is a mobile application that enables automatic, low-friction bitcoin savings through recurring purchases and round-up features linked to users' bank accounts.
Crypto & Web3FintechParis, FR
Alexandre Roubaud(Founder)inKabir Sethi(Founder)in
Co-investors13books CapitalKima VenturesY CombinatorPlug and Play VenturesSerena
Casa provides self-custody solutions for securing bitcoin and stablecoins, offering multi-key security infrastructure and dedicated support for both individual and institutional users.
Crypto & Web3
Co-investorsAcrew CapitalCoinbase VenturesLerer HippeauMantis CapitalAvon VenturesCadenza
Casa provides self-custody solutions for bitcoin and stablecoins, offering multi-signature security infrastructure for both individual and institutional users.
Crypto & Web3Fintech
Co-investorsChampion Hill VenturesF-Prime CapitalFabric VenturesFulgur VenturesTioga Capital PartnersAvon Ventures+1 more
Clovyr offers one-click deployment tools for app publishers, providing a browser-based UI for users to run apps and a custom VSCode environment for contributing developers.
Cloud ComputingDeveloper ToolsSaaSNew York City, US
Patrick Nielsen(Co-founder & CEO)Amber Baldet(Executive Officer)
Fipto is a European payment provider holding both a Payment Institution license for fiat and a MiCA CASP license for digital assets, covering the end-to-end transaction lifecycle.
Crypto & Web3CybersecurityEnterprise SoftwareFintech
Co-investorsSerenaMotier Ventures
Glimpse is a regulated prediction market where users trade event contracts using Bitcoin, receiving fixed-odds payouts for correct predictions.
Crypto & Web3Fintech
Co-investors8VCAndreessen HorowitzY Combinator
Brings bitcoin mining to the renewable energy mecca of Africa.
Gridless installs Bitcoin mining operations at renewable, rural mini-grid sites in Africa, buying surplus power to help independent power producers become financially viable while improving grid stability and rural electrification.
Climate TechCrypto & Web3Energy
Co-investorsBrad Mills
Hoseki provides cryptographic verification of Bitcoin and digital asset holdings, letting holders generate verifiable proofs of ownership and businesses request and verify counterparty holdings without exposing addresses or sensitive data.
Crypto & Web3FintechSaaS
Sam Abbassi(CEO)Cory Wilbur(CTO and Head of Product)in
Co-investorsF-Prime CapitalFulgur VenturesAvon VenturesCastle Island VenturesTen31
Pioneer in the development of Lightning-as-a-Service infrastructure for enterprise and SMBs, with a focus on LATAM and emerging markets.
Co-investorsFulgur Ventures
Lightning Terminal is a web-based dashboard and management platform for Bitcoin Lightning Network node operators that simplifies node management and provides liquidity tools.
Crypto & Web3FintechPalo Alto, US
Elizabeth Stark(Founder)Olaoluwa Osuntokun(Executive Officer, Director, Promoter)
Co-investorsAbstract VenturesCraft VenturesDigital Currency GroupHivemind Ventures, LlcSlow VenturesSommet AB+5 more
Develops and maintains Stak and Sphinx Chat, global products built with Lightning at the intersection of Lightning and frontier AI.
Bitcoin-denominated life insurance company making financial protection accessible in the digital economy
Co-investorsFulgur VenturesPantera Capital
Meanwhile is a licensed Bitcoin-denominated life insurance company whose policies collect premiums and pay death benefits in BTC, with premiums that grow at a guaranteed rate in Bitcoin terms and the option to take Bitcoin loans against policy value.
Crypto & Web3FintechInsurTechHamilton, BM
Tia Beckmann(Chief Financial Officer)
Co-investorsFramework VenturesFulgur VenturesGradient VenturesSam Altman6th Man VenturesHaun Ventures+5 more
Berlin, DE
Alexander Chroust(Founder)Ferran Punet Soriano(Founder)
Co-investorsFulgur Ventures
Re-imagining social and making it playable.
IBEX provides settlement infrastructure that connects banks, fintechs, and stablecoins, offering instant final settlement across fiat, stablecoins, and crypto without pre-funding or counterparty risk.
Crypto & Web3Data & InfrastructureFintech
Co-investorsHivemind Ventures, Llc
Striga provides regulated APIs for digital asset custody, trading, banking, and card issuing across 30+ countries, serving fintech platforms, neobanks, and payment service providers that want to offer crypto and fiat services without holding their own licenses.
Crypto & Web3Enterprise SoftwareFintechTallinn, EE
Prashanth Balasubramanian(Founder/CTO)in
Co-investorsBrincFronturesY Combinator
Vespene Energy is an energy development company that provides fully managed, end-to-end electricity solutions, including biogas-to-power projects that convert waste streams into electricity and behind-the-meter on-site generation.
CleantechClimate TechEnergy
Co-investorsNew Layer CapitalVibe CapitalPolychain Capital
Vida is an AI agent operating system with a no-code interface for building, deploying, and managing omnichannel AI agents that handle business communications and operations across voice calls, text, email, web chat, and web calls.
AI & Machine LearningEnterprise SoftwareSaaS
Co-investorsBrad Mills
Voltage provides payment infrastructure built on Bitcoin and the Lightning Network, letting financial platforms send Bitcoin and USD instantly and globally with low fees and reliable settlement.
Crypto & Web3Data & InfrastructureFintechWichita, US
Graham Krizek(Founder)in
Co-investorsFulgur VenturesStrategic Cyber VenturesTrammell Venture Partners (TVP)GV (Google Ventures)Trammell Venture Partners
Portfolio news
latest coverage across their companiesCasa Β· kvia.com Β· Jul 29, 2026
Voltage Β· datacenterdynamics.com Β· Jul 27, 2026
Amboss Β· intelligence360.news Β· Jul 14, 2026
Fipto Β· financialit.net Β· Jul 11, 2026
Bitstack Β· bitstack-app.com Β· Jun 10, 2026
Glimpse Β· theaiworld.org Β· Apr 6, 2026
Meanwhile Bitcoin backed insurance Money Β· blockworks.co Β· Oct 7, 2025
Frequently asked questions
- How many investments has STILLMARK made?
- STILLMARK has 33 tracked investments, 1 of which have exited via acquisition or IPO, including 1 dated in the last 24 months.
- What sectors does STILLMARK focus on?
- STILLMARK focuses on Crypto & Web3, Fintech, InsurTech.
- Where is STILLMARK located?
- STILLMARK is headquartered in Los Angeles, US.
- Who does STILLMARK co-invest with?
- STILLMARK most often shares deals with Fulgur Ventures, Hivemind Ventures, Llc, F-Prime Capital, among 68 tracked co-investors.
Media Β· Podcasts & interviews
featuring the teamGoogle ends WFH, $SNOW earnings + Stillmark's Alyse Killeen Angel S6 E7 + Pallet CEO Kai Han | E1400
This Week in Startups Β· Alyse Killeen
How Fiat went Broke w/ Alyse Killeen of Stillmark Capital
Bitcoin Magazine Β· Alyse Killeen
Bitcoin Venture Capital with Alyse Killeen of Stillmark. Investing in #Bitcoin startups since 2013
Lightning Ventures Β· Alyse Killeen
Alyse Killeen of Stillmark "Over The Past 30 Days We've Seen About a Million New HODLers" 8/17/2021
BITCOIN Β· Alyse Killeen Β· youtube.com
Alyse Killeen, Managing Partner StillMark Co #blockchaininnovation
FinTech Silicon Valley Β· Alyse Killeen
Co-investors Β· 20
Castle Island Ventures is a venture capital firm focused exclusively on public blockchains, backing early-stage infrastructure and application companies at the intersection of traditional finance and blockchain technology.
Serena is a France-based venture capital firm founded in 2008 by entrepreneurs to support founders, with more than half of its team being operators who have founded or led companies.
Gradient is a seed-stage venture fund focused on backing founders building artificial intelligence companies, providing hands-on support as builders and mentors.
Acrew Capital is a venture capital firm that emphasizes a team-based approach to investing, offering portfolio companies access to its full team.
MS&AD Ventures is the corporate venture arm that invests in early-stage companies, partnering with entrepreneurs to build innovative solutions across insurance-adjacent and technology sectors.
March Capital is an early-growth venture capital firm investing in frontier technology companies focused on the AI revolution, partnering with founders to build category-defining businesses.
Mouro Capital is a venture capital investor backing early to growth stage companies, leveraging its expertise and global network across multiple regions.
Bain Capital Crypto is an investment firm focused on the crypto and blockchain sector, publishing cryptography and privacy research alongside its investments in crypto infrastructure companies.
Trammell Venture Partners (TVP) is a venture firm focused on backing Bitcoin and Lightning Network startups, partnering with founders at an early stage.
13books Capital is a venture capital firm that invests in early-stage financial technology startups, backing founders building the future of finance.
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General Catalyst is a venture capital firm operating as a partnership focused on company building and accelerating the growth of the businesses it backs.
Founders Fund is a venture capital firm that backs technology companies building transformative products.
βΆ8 more co-investors
Oak HC/FTTwo Sigma VenturesBlockchain CapitalEXPONENT FOUNDERS CAPITALFuture Perfect VenturesBitwise Asset ManagementLondon Venture PartnersUnicorn India Ventures
Firms observed investing alongside STILLMARK, from public investor directories. Shared companies are the overlap with STILLMARK's recorded portfolio.
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