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Masterkey VC

Venture capital

Israel · Pre-Seed–Seed · 1 people tracked

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Investment thesis

Masterkey backs early-stage entrepreneurs building in the blockchain and crypto space, aiming to power the foundational technology layers of Web 3.0. The fund invests in projects spanning bitcoin, ethereum, and other crypto protocols, and supports builders of the crypto expansion from inception through to mass adoption. Beyond capital, Masterkey offers technology and product-development consulting across hardware, software, AI, cybersecurity, blockchain, digital infrastructure and advanced cryptography, as well as fundraising strategy, investor introductions, go-to-market and team-building support, leveraging a global network to connect companies with investors and partners.

Source: firm website, verified Oct 26, 2026.

Stage
Pre-Seed–Seed
HQ
Israel, IL
Instruments
Equity
Tracked investments
1

Team · 1 people

from public directories
Saul (Shauli) Rejwan· Investor

What they invest in

from 1 of 1 portfolio companies

Crypto & Web3 ×1Fintech ×1

Investments · 1 tracked

founders shown can be your intro path
Byzantinebyzantine.fiin𝕏Feb 2025 · $3M

Byzantine Prime offers individual investors stable returns on their capital by earning interest from over-collateralized borrowers seeking short-term liquidity.

Crypto & Web3Fintech

Jonas Bokelmann(Founder)inGaia Ferrero Regis(Founder)in

Co-investorsBlockwallCryptoastNode CapitalSuper Capital VC

Frequently asked questions

What stage does Masterkey VC invest at?
Masterkey VC invests at the Pre-Seed, Seed stages.
What sectors does Masterkey VC focus on?
Masterkey VC focuses on AI & Machine Learning, Crypto & Web3, Cybersecurity, Data & Infrastructure, Deep Tech, Hardware.
Where is Masterkey VC located?
Masterkey VC is headquartered in Israel, IL.

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