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Castrum Capital

Europe, Istanbul, Turkey, Istanbul

Description

Castrum Capital is a full-stack venture capital firm. Our goal is to invest, mentor, and empower crypto-related startups

Investor Profile

Castrum Capital has backed more than 11 startups, with 5 new investments in the last 12 months alone. The firm has led 3 rounds, about 27% of its total and boasts 0 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Series Unknown, Series A rounds (top funding stages).
  • Majority of deals are located in United States, United Kingdom, Estonia.
  • Strong thematic focus on Blockchain, Web3, Cryptocurrency.
  • Led 1 rounds in the past year.

Stage Focus

  • Seed (55%)
  • Series Unknown (27%)
  • Series A (18%)

Country Focus

  • United States (18%)
  • United Kingdom (9%)
  • Estonia (9%)
  • Portugal (9%)
  • Hong Kong (9%)
  • Turkey (9%)

Industry Focus

  • Blockchain
  • Web3
  • Cryptocurrency
  • Information Technology
  • Artificial Intelligence (Ai)
  • Ad Targeting
  • Analytics
  • Business Intelligence
  • Data Visualization
  • Digital Marketing
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Castrum Capital frequently co-invest with?

Agnostic Fund
North America, Midland, Cayman Islands, Grand Cayman
Co-Investments: 1
CV
Europe, England, United Kingdom, London
Co-Investments: 2
Metavest Capital
Africa, NA - South Africa, South Africa, Cape Town
Co-Investments: 2
Gains Associates
Europe, Ile-de-France, France, Paris
Co-Investments: 2
Baboon.VC
Asia, Hong Kong Island, Hong Kong, Hong Kong
Co-Investments: 2
Co-Investments: 1
Co-Investments: 2
BB
North America, Florida, United States, Weston
Co-Investments: 2
DuckDAO
Europe, Wien, Austria, Vienna
Co-Investments: 2

Which angels does Castrum Capital often collaborate with?

MM
North America, California, United States, San Francisco
Shared Deals: 1
Shared Deals: 1
Shared Deals: 1
Shared Deals: 1
TC
North America, New York, United States, Brooklyn
Shared Deals: 1
SB
North America, California, United States, San Francisco
Shared Deals: 1
Shared Deals: 1
Shared Deals: 1
Shared Deals: 1
Denys Zhadanov
North America, California, United States, San Francisco
Shared Deals: 1

What are some of recent deals done by Castrum Capital?

MAGNE.AI is a technology company building the next generation of secure, intelligent mobile infrastructure for the decentralized internet.

Artificial Intelligence (AI)CryptocurrencyWeb3
Series UnknownAug 8, 2025
Amount Raised: $10,000,000

Telgather is an AI Web3 game studio that develops various casual games for players to earn rewards on social platforms.

AppsArtificial Intelligence (AI)BlockchainGaming
SeedJul 14, 2025

Openverse operates as a Layer 0 hub, providing a foundational framework for decentralized applications and services.

BlockchainCryptocurrencyWeb3
Series UnknownMay 6, 2025
Amount Raised: $11,000,000

BugsCoin is a Web3-based platform designed for investment education and simulated trading experiences.

BlockchainDecentralized Finance (DeFi)Web3
Series AApr 11, 2025
Amount Raised: $12,000,000

Klink Finance is the AI-powered infrastructure for Web3 earnings with multi-chain partner ecosystem and integration technology.

BlockchainCryptocurrencyFinancial ServicesFinTechInformation TechnologyWealth ManagementWeb3
SeedFeb 4, 2025
Amount Raised: $2,500,000
Bluwhale

Santa Clara, California, United States

Bluwhale is a platform for decentralized knowledge data that enables Dapps to add intelligence via API calls.

Artificial Intelligence (AI)Computer VisionMachine LearningWeb3
Series AJan 27, 2025
Amount Raised: $25,000,000

Mind AI is a trading insights platform that offers elite insights to the investors for a competitive edge in the fast-moving crypto markets.

Artificial Intelligence (AI)CryptocurrencyTrading Platform
SeedJan 17, 2025
Amount Raised: $1,200,000
STAGE

Lisbon, Lisboa, Portugal

STAGE is a music competition platform.

Information TechnologyInternet
SeedJun 14, 2024
Amount Raised: $2,400,000
Orbital7

Istanbul, Istanbul, Turkey

Orbital7 is a modular Web3 development kit developer designed to harness and improve Level 0 technologies.

BlockchainCryptocurrencyNon-Fungible Token (NFT)
Series UnknownJun 11, 2024
Cookie3

Tallin, Harjumaa, Estonia

Behavioral analytics of the entire Metaverse & Web3.

Ad TargetingAnalyticsBlockchainBusiness IntelligenceData VisualizationDigital MarketingMetaversePersonalizationSharing EconomyWeb3
Series UnknownJun 4, 2024
Amount Raised: $5,500,000