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Crucible Capital

www.cruciblecap.xyz · New York, NY

“Human progress is defined by manipulating energy and atoms over spacetime. Software and open networks governed by tokens will transform the infrastructure economy.”

$500K – $3M
Check Size
Leads & Follows
Lead Tendency
$75M
AUM
~2 Weeks
Timeline
01Investment Thesis

Crucible backs founders building digital infrastructure foundations at the intersection of energy, compute, and crypto. The firm has evolved to embrace 'Capital Markets Maximalism' — the view that financial engineering, not just software, is the key to capturing value in industrial infrastructure — and 'Industrial Resilience,' investing across five layers: dispatch & optimization, verification & ground truth, financial infrastructure, materials & supply, and defense & infrastructure security. Crucible now deploys capital across the lifecycle from venture to credit to direct infrastructure ownership.

Exclusion Criteria

No pure consumer apps, no non-infrastructure plays, no projects without a clear path to onchain resource coordination

02Investment Team
MD
Meltem Demirors
General Partner
KG
Kelly Greer
Partner
HM
Honour Masters
Investment Principal
03F4 Research Brief

Crucible Capital Research

Investment Thesis

Crucible Capital is a seed-stage venture fund founded in 2024 by Meltem Demirors, investing at the intersection of energy, compute, and crypto. The firm's core thesis is that human progress is defined by our ability to manipulate energy and atoms over spacetime, and that software and open networks governed by tokens can transform the infrastructure economy. They back founders building the digital infrastructure foundations — bringing both digital and physical resources onchain.

Crucible operates with conviction that blockchain and cryptographic innovation will enable more efficient resource utilization at civilization scale. Their investments span four thematic pillars:

  1. Protocols & Dev Tooling — Blockchain networks and cryptographic innovation for blockspace utilization
  2. Orchestration & Optimization — Automation and resource management software for compute and energy
  3. Commodities & Capital Markets — Digital commodities and market microstructure innovations
  4. Aggregators & Marketplaces — Decentralized physical infrastructure networks (DePIN)

Stage Focus

Crucible is primarily a seed-stage investor, though they participate in some later rounds for high-conviction opportunities. Their portfolio shows investments ranging from seed rounds ($6M–$9M) to larger rounds ($28M–$75M) where they co-invest alongside major crypto funds.

Check Size

Exact check sizes are not publicly disclosed. Based on their fund size ($75M across two funds of $30M and $45M) and seed-stage focus, estimated check sizes are likely $500K–$3M for initial investments, with capacity for follow-on.

Fund Structure

Crucible raised two separate funds totaling approximately $75 million:

  • Fund I: $30 million
  • Fund II: $45 million Both funds are Delaware-based entities with Demirors as managing member of the GP.

Recent Activity

Crucible has been actively deploying since 2024:

  • October 2025: Participated in Daylight Energy's $75M round (distributed energy protocol)
  • May 2025: Participated in Nirvana Labs' $6M Seed Plus (Web3 infrastructure)
  • March 2025: Participated in DoubleZero's $28M round at $400M valuation (global fiber network for distributed systems)
  • July 2024: Participated in Mira Network's $9M seed (decentralized AI verification infrastructure)

The fund is actively deploying with a portfolio of 28+ companies across energy, compute, and crypto infrastructure.

Portfolio Highlights

Notable portfolio companies include:

  • DoubleZero — Global fiber network for distributed systems, $400M valuation
  • Daylight Energy — World's largest decentralized energy network, raised $75M
  • Mira Network — Decentralized AI verification infrastructure
  • Ostium — On-chain commodity markets trading
  • Mercury Computing — Converting data centers into virtual power plants
  • Sourceful Energy — Coordination layer for self-orchestrating energy networks
  • Standard Nuclear — Fueling America's nuclear renaissance
  • Sapience — Next-generation prediction market platform
  • VERS — Branching VM infrastructure for AI agents
  • Spectral Compute — GPU and HPC workload acceleration
  • Verne Robotics — AI-powered robotic arms for labor automation
  • Starpath — Robotic propellant production for Moon and Mars missions

Team

Meltem Demirors, General Partner & Founder — 5 years as Chief Strategy Officer at CoinShares (Europe's largest digital asset manager, $7B AUM). Early team at Digital Currency Group. Background in commodities trading and oilfield services. Education: Rice University (undergrad), MIT (grad), teaches at Oxford. Angel investor in 100+ startups including Anchorage, Polymarket, and Unstoppable Domains.

Kelly Greer, Partner — 4 years at Galaxy Digital building institutional digital asset franchise. 4 years on JP Morgan trading floor in OTC equity index and commodities derivatives. Education: Economics at Northwestern University.

Honour Masters, Investment Principal — 3 years at Energize Capital with board positions at Banyan Infrastructure, DroneDeploy, Jumptech, Patch. Previously at Union Square Ventures, Carta, CoVenture, BlueMountain Capital, Morgan Stanley. Education: University of Edinburgh (undergrad), Columbia University (grad).

Strategic Partners

  • Laser Digital (Nomura subsidiary) — Institutional crypto partnership
  • Welara — Crypto-native multi-family office

Co-Investors

Frequent co-investors include Jump Crypto, Dragonfly, Multicoin Capital, Rubik Ventures, Paper Ventures, and Credibly Neutral.

Decision Process

Small partnership (3 people), suggesting a lean decision-making process typical of emerging managers. Likely partnership consensus with Meltem as lead decision-maker given her GP role.

Geographic Focus

Based in New York. Portfolio companies are globally distributed, spanning US, UK, and international markets. No explicit geographic constraints — the thesis is infrastructure-focused rather than geography-bound.

Founder Preferences

Crucible backs technical founders building at the intersection of physical and digital infrastructure. Their portfolio skews heavily toward deep-tech teams working on energy systems, compute infrastructure, and financial market microstructure. They appear to favor founders with domain expertise in commodities, energy, or distributed systems.

04Selected Portfolio
Aerospace & Defense
Starpath
Climate & Sustainability
Sourceful Energy
Crypto & Web3
Sapience·Ostium·DoubleZero·Alchemy
Developer Tools & Infrastructure
Nirvana Labs·VERS
E-commerce & Marketplaces
Matium
EdTech
PILLAR
Energy & Power
Mercury Computing·Amps AI·Shatterdome Energy
Enterprise Software
Saptiva·Aravolta·Internet Backyard·Reliability Engine·Brickroad·Spectral Compute·Hex
Fintech & Payments
TradFi·Power Finance·Ornn·Compute Desk
Manufacturing & Industrial
Pillar·Supra Elemental Recovery
Media & Entertainment
Mira
Robotics & Automation
Verne Robotics
Security & Cybersecurity
Arkhai
Other
Daylight Energy
Open the full portfolio→
05Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

See full activity (17) →
Standard Nuclear, a Crucible portfolio company, went public on NYSE (ticker: STDN) on July 15, 2026, pricing at $15 per share. The company is a domestic TRISO nuclear fuel producer fueling America's nuclear renaissance.
EXIT·valueaddvc.com
JUL 15, 2026
Meltem Demirors published 'The World as Model,' a research series on sensing, representations, and the financialization of the physical world, arguing that capital flows follow information density and the companies that build the right representations will own the edge in pricing, trading, and transferring risk for physical infrastructure.
ESSAY·cruciblecapital.substack.com
JUN 29, 2026
Crucible team published a deep-dive on the industrial robot market alongside portfolio company Verne Robotics, introducing the era of Physical AI + Robotics as a Service.
ESSAY·cruciblecapital.substack.com+1
MAY 29, 2026
Published a thesis explaining Crucible’s investment in Shatterdome and its view that energy winners will combine dispatch software, trading, and structured credit.
ESSAY·cruciblecapital.substack.com
MAY 21, 2026
Led Shatterdome Energy’s $3.5M pre-seed round to build AI-powered energy trading and virtual power plant software.
INVESTMENT·businesswire.com+1
MAY 21, 2026
06Frequent co-investors
CV
Coinbase Ventures
Both backed 2 of the same companies
Alchemy, Ostium
G
Galaxy
Both backed 2 of the same companies
DoubleZero, Ornn
GV
Graph Ventures
Both backed 2 of the same companies
Pillar, PILLAR
JC
Jump Crypto
Both backed 2 of the same companies
Ostium, DoubleZero
Find the investors for your round→
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Quick Reference
Check Size
$500K – $3M
Stages
Pre-Seed · Seed
AUM
$75M
Decision
Partnership · ~2 Weeks
Warm Intro
Not Required
Involvement
Advisor
Location
New York, NY
Sector Focus
Fintech & PaymentsManufacturing & IndustrialAerospace & DefenseRobotics & AutomationClimate & SustainabilityCrypto & Web3Developer Tools & InfrastructureEnergy & Power
Models
DePINInfrastructureCapital Markets
Technology
Blockchain/CryptoAI/MLEnergy Tech
See all Fintech & Payments investors →See all Manufacturing & Industrial investors →See all Aerospace & Defense investors →
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Focus Areas
Fintech & PaymentsManufacturing & IndustrialAerospace & DefenseRobotics & AutomationClimate & SustainabilityCrypto & Web3Developer Tools & InfrastructureEnergy & Power

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F4 Intelligence Report · Last Researched August 28, 2026F4 Research Engine