Castrum Capital — Full Portfolio

2U2.ai is an AI content generation platform for Web3 communities that creates, remixes and distributes crypto memes.

Dane Elliott(Founder)in

Organizer of a blockchain-focused event held at the CryptoCastle in Burgscheidungen, Germany, bringing together developers, researchers, entrepreneurs, and enthusiasts.

Crypto & Web3Media & EntertainmentBurgscheidungen, DE

AIAV is an AI architectural visualization platform that generates, refines, restyles and upscales architectural renderings.

AiTraceRoot (ART) is a BNB Smart Chain-based AI on-chain analytics protocol for wallet profiling, risk monitoring and trading signals.

Road Town, Tortola, VG

Aleksejs Pinajevs(Co-Founder & COO)Ismail Bagar Adrar(Co-Founder & CTO)Hugo Amaral(Chief Executive Officer)

Altcoinist is a crypto trading bot that uses smart routing (powered by Definitive.fi) to reduce slippage and execution loss when buying and selling tokens across decentralized exchanges.

Crypto & Web3Fintech

CAChristian Andsberg(Founder)in

Aspire Solutions is a consulting firm serving Web3 projects and the organizer of the VC Founders Summit event series.

Avalon is an AI-powered multiplayer game where players create characters that persist across a shared universe of official and player-built worlds.

AI & Machine LearningCreator EconomyGaming

Co-investorsANAndromeda CapitalBIBixin CapitalBIBixin VenturesBLBlack DragonCOCoinbase VenturesSASanctor Capital+5 more

Web3 platform tokenizing music and other intellectual property rights as on-chain real-world assets with royalty distribution.

Legend is a managed digital awards service that designs and issues digital trophies, medals and certificates for sports federations.

BLOCK3000 is an online crypto conference and launchpad where blockchain startups compete in a startup battle and attendees can vote for and invest in winning projects.

Crypto & Web3Media & Entertainment

BlockchainX Istanbul is an annual Web3 and blockchain conference and exhibition held in Istanbul, Turkey.

Bluwhale creates a decentralized network of AI agents that help users manage and optimize their finances across multiple financial institutions and digital wallets.

AI & Machine LearningCrypto & Web3Fintech

Co-investorsBRBrincJOJoyance PartnersRRRR2 CapitalSBSBI Ven CapitalSESeaX Ventures

BugsCoin (BGSC) is a BNB Chain reward token powering AntTalk, a simulated-investment and financial education community platform.

Castrum Work is a marketing agency serving crypto and Web3 projects, offering full-stack services such as branding, media, and go-to-market support.

Crypto & Web3Marketing Tech

Castrum Social is a social media marketing agency that connects crypto project owners with local influencers, KOLs, and community moderators (on YouTube, Twitch, Telegram, Discord, Instagram, and Twitter) to run localized influencer marketing campaigns.

Crypto & Web3Marketing TechMarketplaces

Castrum Academy connects university student societies with blockchain and cryptocurrency events, covering event costs through partners to educate students on blockchain technology and Web 3.0.

Crypto & Web3EdTech

Castrum is a blockchain ecosystem inspired by Ancient Rome, offering venture capital, a fundraising launchpad, a crypto growth and influencer marketing agency, a gaming guild, and an educational academy for Web3 and crypto projects.

Crypto & Web3GamingMarketing TechMedia & EntertainmentIstanbul, TR

Castrum Legions is a blockchain game guild within the Istanbul-based Castrum ecosystem.

CastrumPad is the token launchpad arm of the Istanbul-based Castrum blockchain ecosystem.

ChainGPT builds AI-powered tools for the Web3 and blockchain space, including a launchpad and incubation lab for crypto projects.

AI & Machine LearningCrypto & Web3

IRIlan Rakhmanov(Founder)in

Co-investorsBIBitDAOCOCoinvestor VenturesMAMantle NetworkMAMapleblock CapitalRARana Capital

Claw Intelligence builds an AI-driven Web3 intelligence and trading workspace on BNB Chain.

CoinW is a centralized cryptocurrency exchange offering spot, futures, copy trading and earn products to a global user base.

Cookie3 uses blockchain and analytics to turn on-chain user behavior into marketing insights for brands while maintaining data privacy.

AdTechCrypto & Web3Data & InfrastructureMarketing TechTallinn, EE

Wojciech Piechociński(Founder)inFWFilip Wielanier(Founder)in

Co-investorsAWAweh VenturesBIBig Brain HoldingsGRGravity TeamHAHartmann CapitalJSJsquareLDLD Capital+2 more

Cosmoverse is a global events platform that organizes summits bringing together blockchain builders, financial institutions, regulators, and investors to discuss institutional adoption of digital assets.

Crypto & Web3FintechMedia & EntertainmentHong Kong, HK

Cryptorank is a data platform that tracks and publishes information on cryptocurrency funding rounds, project valuations, and investment activity.

Crypto & Web3Data & InfrastructureFintech

Co-investorsCHChaiTech VenturesDADanu VenturesMAMajinx CapitalZBZBS CAPITAL

DAOKraft is an AI-powered governance platform that turns DAO proposals into structured, executable governance outcomes and provides analytics for decision-making.

AI & Machine LearningCrypto & Web3SaaS

Datai is a decentralized data infrastructure platform that indexes and enriches real-time blockchain data from multiple chains, using in-house machine learning to label and classify smart contracts and deliver structured, AI-ready on-chain intelligence via APIs.

AI & Machine LearningCrypto & Web3Data & Infrastructure

DATS is a DePIN and blockchain-based cybersecurity platform that lets users contribute their computers' idle resources (bandwidth and CPU) to power distributed security audit and vulnerability detection operations in exchange for tokens.

CleantechCrypto & Web3Cybersecurity

DexCheck is an AI-driven blockchain analytics platform offering trading data, wallet tracking and insights across multiple chains.

A Turkish-language content platform about blockchain technology, offering guides, project overviews, and educational resources for people interested in cryptocurrency.

Crypto & Web3Media & Entertainment

DTEC is a Web3 project featuring tokenomics, staking, and airdrops, with elements such as a whitepaper and roadmap.

AI & Machine LearningCrypto & Web3IoTMobility & Transportation

Doğan Mutluol(CEO)inCem Dik(CFO)Serdar Sultanoğlu(CTO)

Dyor is a decentralized crypto research, analytics and investing platform with a swipe-to-invest interface for on-chain tokens.

EDCON is a global conference for the Ethereum community, offering sponsorship opportunities and hosted side events such as networking sessions, talks, workshops, and exhibitions.

Crypto & Web3

Entangle is a Web3 interoperability layer providing cross-chain messaging, data feeds and a universal token standard for dApps.

Dubai, AE

Faisal Mehrban(Founder)

Co-investorsBIBitDAOCOCogitent VenturesLBLBANK LabsMAMantle NetworkRHRhinevall CapitalSESeier Capital+2 more

ETH Belgrade is a Web3 and Ethereum event, comprising a conference and a hackathon, aimed at developers, blockchain enthusiasts, and Ethereum community members.

Crypto & Web3Belgrade, RS

ETHToronto is an in-person blockchain and Ethereum education and networking event held in Toronto, featuring speakers, stages, and exhibitor booths, and is run alongside the Blockchain Futurist Conference.

Crypto & Web3Media & EntertainmentToronto, CA

Futurist Conference is a large-scale Web3, blockchain, and AI event held in Canada featuring 250+ speakers, expo booths, and networking events across topics like cryptocurrency, NFTs, DeFi, and DAOs.

AI & Machine LearningCrypto & Web3Media & Entertainment

Everreach Labs is an independent game studio building technology that lets live-stream audiences shape gameplay in real time (Crowdplay) and developing its own console-grade AA titles on top of it.

Creator EconomyGamingMedia & Entertainment

Ethan Cohen(Founder & CEO)in

FANS LOVE IT! is a Web3 football and sports conference organizer running fan-engagement events such as NFT award contests.

Organiser of the Future GO Tech Summit, a technology and digital transformation conference held in Istanbul.

Blockchain Futurist Conference is a North American Web3 and AI event featuring speakers, expo booths, networking events, and VIP cabanas focused on blockchain, crypto, AI, NFTs, and DeFi.

AI & Machine LearningCrypto & Web3Media & EntertainmentToronto, CA

Game Factory runs a community, incubation, and acceleration programs for mobile app and game developers, offering resources, events, mentorship, and investor lists.

Creator EconomyGaming

Crypto market maker and hedge fund, shut down in 2025 after a U.S. conviction for wash trading token volumes.

GT AI Fund is a public, fully autonomous trading showcase by GT Protocol in which five frontier AI models (Claude, GPT, Gemini, DeepSeek, and Grok) each manage part of a $50,000 vault trading crypto and stocks with no human portfolio manager.

AI & Machine LearningCrypto & Web3Fintech

Co-investorsBLBlack DragonCOCoinvestor VenturesMAMagnus Capital

HackOnChain organizes hybrid Web3 hackathons in Europe, with prize pools funded by blockchain protocol sponsors.

Havens Compass is a content journal publishing articles and guides on home design, wellness routines, and slow living for people who want to create calmer, more intentional living spaces.

ConsumerMedia & EntertainmentWellness & Fitness

Co-investorsBLBlack DragonSWSWGI Ventures (SWISS GEM INVESTMENTS)

HIT Games Conference (HGC) organizes international B2B events focused on development, publishing, and growth in the gaming market, covering mobile, PC, console, and Web3 games.

GamingMedia & Entertainment

Cryptocurrency exchange founded in China in 2013 as Huobi, rebranded HTX in 2023, offering spot, futures and earn products.

Co-investorsMAMapleblock CapitalHOHongShan Capital Group

InceptionLRT is winding down operations effective December 31, 2025; its web interface will be shut down and withdrawals will remain available through the associated chain's block explorer.

Crypto & Web3

Co-investorsBLBlack Dragon

InPulseX presents "Starseed Awakening," a narrative-driven video game that lets players create custom characters and explore a science-fiction storyline inspired by Zecharia Sitchin's writings and themes around colonising Mars.

ConsumerGaming

InterSwap is an omnichain liquidity layer and automated market maker built on Axelar with unified liquidity.

Co-investorsBLBlack Dragon

Istanbul Blockchain Week is Turkiye's annual Web3 conference and expo, produced by marketing agency EAK Digital.

Istanbul, TR

EKErhan Korhaliller(Founder & CEO)in

Kima Finance is a distributed settlement protocol that provides a single atomic rail for cross-ecosystem transfers across fiat, stablecoins, CBDCs, and tokenized assets, without bridges or smart contracts.

Crypto & Web3Data & InfrastructureFintech

GVGuy Vider(Founder)in

Klink is an online rewards platform where users earn cash or crypto by completing partner offers such as trying apps, playing games, taking surveys, and social quests.

AdTechConsumerFintech

Co-investorsTRTRIVEBLBlockchain Founders Fund

Krain provides an AI app portal that helps users discover, compare, and rate AI applications through an NLP-powered discovery engine, plus a workflow builder that turns prompts into executable multi-app workflows.

AI & Machine LearningCrypto & Web3Marketplaces

Kyo Finance is a DeFi protocol offering a cross-chain DEX aggregation and execution layer that routes swaps across multiple liquidity sources and chains for optimized results.

AI & Machine LearningCrypto & Web3Developer Tools

MagicCraft is a game studio behind a live MOBA-style game, offering AI-focused products, optional Web3 features, and builder systems for players and creators.

AI & Machine LearningCrypto & Web3Gaming

MAGNE builds a 5G Android smartphone with hardware-based security (secure element, trusted execution environment) for private on-device AI workflows and Web3 operations such as wallet, swap, stake, bridge, and asset signing.

Crypto & Web3CybersecurityHardwareHong Kong, HK

Merlin Starter is a blockchain launchpad platform offering token launch services, staking, airdrops, and an AI feature (StarAI), with wallet connection for participation.

Crypto & Web3

Co-investorsBLBlack DragonCACatcherVCMAMajinx Capital

Metya is a Web3 dating and social app combining SocialFi features with the MePay payment system.

South Korean AI company building a natural-language reasoning engine that encodes language into patented data structures called canonicals.

San Francisco, US

Wendy F(Founder)

Co-investorsPRProtagonistRRRR2 CapitalVAVarys Capital

NEXST builds an entertainment ecosystem combining AI, blockchain, and real-world asset tokenization, including VR live experiences, AI agents for artist marketing, tokenized concert tickets and merchandise, and Web3 games.

AI & Machine LearningCrypto & Web3Media & Entertainment

Nolus is an open-source, on-chain margin and crypto lending protocol that provides transparent margin infrastructure for both retail users and institutions.

Crypto & Web3Fintech

Co-investorsCOCogitent VenturesAUAutonomy CapitalDODoraHacksEVEverstakeTOToken Metrics Ventures

Octavia is a Web3-native AI assistant and local-first autonomous agent platform for research, automation and on-chain actions.

OMNIA builds a multi-chain privacy layer for Web3, offering decentralized RPC gateways that anonymize wallet and dApp traffic, block MEV/front-running via private mempool routing, and strip metadata leakage.

Crypto & Web3CybersecurityData & Infrastructure

Co-investorsBIBitDAOMAMantle Network

Openverse Network is building blockchain infrastructure for a "value internet," including protocols for cross-chain value transfer, naming, unified identity, inter-blockchain communication, and an EVM-compatible operating system for running public, consortium, and private chains.

Crypto & Web3Data & InfrastructureDeveloper Tools

Orbital7 is a developer-tooling suite for Bitcoin-centric networks, with an ORBI token issued on BNB Chain.

Origins Network is a modular blockchain for AI agents that verifies off-chain AI computation results on-chain.

Outer Ring is a sci-fi open-world MMORPG and metaverse built on a play-to-earn, player-driven token economy.

Latin America-focused RWA blockchain ecosystem with a CBDC-oriented Layer 2 network, exchange, wallet and PATEX token.

Penomo builds AI-native software and tokenization rails for infrastructure and renewable-energy private credit.

JDJasvir Dhillonin

Pilot3 is a non-custodial DeFAI trading hub whose AI agents analyze markets and execute trades across multiple blockchains.

The page presents itself as a software development company building websites, web applications, and mobile apps, but its content is dominated by gambling/slot-style promotional material ("demo hoki", player reviews) inconsistent with a legitimate software firm.

SaaS

Singapore-based Play It Forward DAO operates a play-to-earn gaming guild and the P2E Board guild-management platform.

Port3 Network is a Web3 data network that aggregates and standardizes on-chain and off-chain social data for applications.

Co-investorsADAdaverseBIBitDAOMAMantle Network

Presail operates a private market platform for Web3, offering automated onchain tools and smart contracts that let projects list tokens and let individuals contribute to, vest, and manage private market investments.

Crypto & Web3FintechSaaS

Co-investorsKRKraken VenturesSKSkyfall VenturesSNSNÖ VenturesTRTriton CapitalCOCoinFundLOLOWERCARBON

ProBit Global was a cryptocurrency exchange that operated from 2018 to 2026, offering trading of digital assets through its website, mobile app, and API.

Crypto & Web3Fintech

Co-investorsNENexus One

$Health is a health application that combines AI and blockchain technology to track and monitor personal health metrics, converting health data into value.

AI & Machine LearningCrypto & Web3Digital Health

QBEIN provides Web3 technical consulting, due diligence, and development services, including building backend infrastructure for NFT marketplaces and galleries.

Cloud ComputingCrypto & Web3Developer ToolsDubai

QuestN is a Web3 growth and airdrop platform that lets crypto projects create communities and publish quest campaigns using customizable templates with automatic verification.

Crypto & Web3GamingMarketing Tech

Co-investorsBIBitDAOMAMantle Network

Renatus.ai offers a local-first AI agent orchestration platform that lets users deploy and manage autonomous AI agents from their own devices, with agents able to connect to crypto wallets, launch their own tokens, and manage their own wallets.

AI & Machine LearningCrypto & Web3Developer Tools

SaiBot (RVX) offers an AI-enabled collaborative robot for rubber tree plantations that combines physical latex harvesting with on-chain mining, and issues NFTs representing real-world latex assets plus mining power.

AgTechCrypto & Web3Robotics

RWA Inc. is a blockchain platform for tokenizing, issuing, and trading real-world assets such as real estate and security token offerings.

Crypto & Web3Data & InfrastructureFintechDubai, AE

KYKevin Yunai(CEO & Founder)inAJ Dinger(CFO)inPMPhilip Michaelsen(CTO)

RWADepin Protocol is a Sui-based protocol for tokenizing, trading, and generating yield from real-world assets.

Scale Management operates an e-procurement platform that connects buyers with vetted suppliers, helping organizations across Africa digitize and automate their procurement workflows.

B2B MarketplacesEnterprise SoftwareFintechSaaSNairobi, KE

MTMarvin Tumbo(Co-Founder / CEO)inBMBrian Mung'ei(Co-Founder / COO)inCMComark Maloba(Co-Founder / CTO)

Co-investorsTETechstarsRERenew CapitalNANairobi Business Angel NetworkCRCrosslink CapitalHAHAVEN VENTURESKIKickstart+7 more

Serenity Shield builds StrongBox, a blockchain DApp for encrypted storage, recovery and inheritance of sensitive data.

Shieldeum offers a privacy-first VPN combined with threat detection that encrypts connections, hides IP addresses, and warns against phishing, scam sites, and risky smart contract or wallet interactions.

ConsumerCrypto & Web3CybersecurityHong Kong, HK

AITECH Cloud Network (ACN) is an AI-native ecosystem for running AI in production, offering high-performance compute for training, inference, and rendering alongside an orchestration layer for building and managing AI agents.

AI & Machine LearningCloud ComputingCrypto & Web3Data & Infrastructure

Co-investorsODOddiyana VenturesZEZEMU Venture Capital

Lisbon, PT

Andre Cruz(Founder)

Staking Rewards operates an independent rating platform that grades staking infrastructure providers and DeFi yield protocols on a single AAA-to-D scale focused on downside risk.

Crypto & Web3Data & InfrastructureFintech

Co-investorsCOCoinFundDIDigital Currency GroupFEFenbushi CapitalNXNxGen1K1k(x)1K1kx

Superteam is a talent community for people learning, earning, and building in the Solana and broader Web3 ecosystem.

Crypto & Web3Future of Work

Supra provides blockchain oracle services that deliver data feeds to smart contracts and decentralized applications.

Crypto & Web3Data & InfrastructureDeep TechDeveloper ToolsWashington, US

JNJonathan Nelms(Managing Member)in

Co-investorsANAndromeda CapitalBIBitDAOCOCoinbase VenturesCVCVP NoLimitDEDeepTech VenturesGHGhaf Capital Partners+7 more

SyFu is a Web3 project building a non-custodial wallet and GameFi platform that converts users' payment and consumption data into digital assets and NFTs (Soulbound tokens) as proof of economic contribution, forming the basis of a decentralized credit evaluation system.

Crypto & Web3FintechGaming

TKTomochika Kamiya(Founder & CEO)inHMHiroshi Mita(Co-founder & CTO)inShun Sato(Co-founder & VP of Product Strategy)Motoshi Shimizu(Co-founder & C.P.A.)NNNaoya Nakajima(VP of Corporate Strategy)RTRyohei Takagi(Lead IT Architect)

Nik Anikin(Founder)in

AI-native, mobile-first Web3 game studio distributing casual games through messaging platforms such as Telegram and LINE.

Tevaera is an onchain gaming platform powered by Teva Protocol, combining tokenized guilds, native games, a market and governance.

Robin Babu(Founder)in

Co-investorsDRDraper Dragon

Tren Finance is a DeFi lending protocol that uses a network of AI agents (TrenOS) to manage risk, rates and liquidity.

TSFC is a quantitative trading team using AI-driven, counter-trend execution strategies across crypto and real-world assets such as oil, gold, silver and equities, with trades validated by a human analyst.

AI & Machine LearningCrypto & Web3FintechBaar, CH

tuNNCay is a crypto content and live-streaming channel active on Binance Live, Telegram and Twitter.

Ultrade is a non-custodial trading platform offering perps, spot, and lending with unified cross-chain margin that keeps assets native across nine chains without bridges or wrapped assets.

Crypto & Web3Fintech

Dan Goldman(Founder)in

WebX is one of Asia's largest Web3 conferences, held in Tokyo and organized by CoinPost, covering cryptocurrencies, blockchain, Web3 infrastructure, NFTs, DeFi, and AI.

Crypto & Web3Media & EntertainmentTokyo, JP

WN Conf is a business-focused conference for the global games industry, connecting game developers, publishers, investors, platforms, and service providers around business opportunities.

GamingMedia & EntertainmentDubai, AE

WorkX.io is an AI-powered online marketplace that connects job seekers and freelancers with employers and clients across fields such as writing, graphic design, programming, and marketing.

AI & Machine LearningHR TechMarketplaces

Jiajia Huang(Founder)in

Co-investorsBLBlack DragonRARana Capital

World of Dypians is a blockchain-based MMORPG combining NFTs, DeFi and AI, with a BNB Chain utility token, WOD.

XT.COM is a cryptocurrency exchange offering spot trading, margin trading, derivatives, OTC, and credit card crypto purchases across more than 1,000 cryptocurrencies.

Crypto & Web3Fintech

XYRO is an AI-powered gamified social trading platform on Arbitrum where users forecast crypto prices for USDT rewards.

Co-investorsAWAweh VenturesZEZEMU Venture Capital