Kleinblue Capital (0xkb)
Venture capitalPre-Seed–Seed
Investment thesis
Kleinblue Capital is a proprietary early-stage fund operated by experienced web2 and web3 natives who invest as power users, engaging hands-on with portfolio projects through beta testing, code review, and UI/UX work. Alongside investing, the firm runs a web3-native advisory practice covering capital formation, institutional business development, product strategy, protocol design, and security. Its portfolio spans crypto and blockchain infrastructure, DeFi protocols, and analytics, and it maintains diversified exposure to crypto assets via a portfolio of closed and open-end funds employing venture, directional, and delta-neutral strategies.
Source: firm website, verified Aug 3, 2026.
What they invest in
from 1 of 6 portfolio companiesAI & Machine Learning ×1Crypto & Web3 ×1Fintech ×1
Investments · 6 tracked
founders shown can be your intro pathOpen, programmable smart contracts platform for decentralized applications with near-instant transaction finality.
Cryptocurrency exchange protocol bridging centralized and decentralized finance.
Liquid staking protocol for Ethereum
Decentralized self-custodial leveraged trading protocol suite offering optimized costs, deep liquidity, and diverse leverage options.
Scalable, interoperable and secure multi-chain network protocol enabling cross-chain registries and computation.
Frequently asked questions
- What stage does Kleinblue Capital (0xkb) invest at?
- Kleinblue Capital (0xkb) invests at the Pre-Seed, Seed stages.
- What sectors does Kleinblue Capital (0xkb) focus on?
- Kleinblue Capital (0xkb) focuses on Crypto & Web3, Data & Infrastructure, Fintech.
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