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MASTERKEY Venture Capital is a venture capital fund established in 2021 and headquartered in Tel Aviv, Israel. The firm focuses on early-stage investments in the blockchain and cryptocurrency sectors, aiming to support entrepreneurs from inception to mass adoption. The organization is dedicated to investing in foundational technology layers related to Bitcoin, Ethereum, and other blockchain technologies.
As of now, MASTERKEY has a portfolio of 10 companies, showcasing its commitment to the blockchain ecosystem. The firm leverages a strong co-investor network and expertise in advanced infrastructure, cryptography, and cybersecurity to provide hands-on support to its portfolio companies. This approach helps startups navigate the complexities of the blockchain landscape effectively.
MASTERKEY's notable milestones include backing significant projects such as Taproot Wizards and Byzantine Finance, which highlight its focus on innovative solutions within the crypto space. The firm is actively involved in the global market, with a particular emphasis on Asia and Israel.
MASTERKEY Venture Capital invests primarily in early-stage blockchain and cryptocurrency projects, including those related to Bitcoin, Ethereum, and other blockchain technologies. The firm targets investment stages ranging from pre-seed to Series A, with a keen interest in foundational technology layers that support the growth of the crypto ecosystem.
The sectors of focus include cyber, decentralized finance (DeFi), decentralized autonomous organizations (DAOs), centralized finance (CeFi), and non-custodial solutions. MASTERKEY aims to empower builders and innovators in the blockchain space, supporting projects that contribute to the expansion of the crypto landscape.
Investment checks typically align with early-stage funding rounds, although specific check size ranges are not disclosed. The firm emphasizes a hands-on approach, providing not just capital but also operational support and strategic guidance to its portfolio companies.
MASTERKEY Venture Capital has invested in a range of notable companies within the blockchain and cryptocurrency sectors. Key portfolio companies include:
These investments reflect MASTERKEY's commitment to supporting innovative projects that are shaping the future of the blockchain ecosystem.
Saul (Shauli) Rejwan: Managing Partner at MASTERKEY Venture Capital. He brings extensive experience in advanced infrastructure and cybersecurity, contributing to the firm's strategic direction.
Daniel Spuller: Founding Venture Partner with a background in blockchain investments. His expertise in the crypto space supports MASTERKEY's focus on early-stage projects.
To pitch to MASTERKEY Venture Capital, founders should visit masterkey.vc for application details. It is advisable to include a comprehensive deck that outlines the business model, market opportunity, and team expertise. Specific application forms or portals are not mentioned, and response time expectations are not disclosed.
Warm introductions may enhance the chances of securing a meeting, given the competitive nature of the investment landscape in the blockchain sector.
In March 2026, MASTERKEY Venture Capital participated in a seed round for Eureka Labs, which raised $6.7 million to develop Ethereum infrastructure. Co-investors included Spark Capital, Collider Ventures, Varrock, and Node Capital.
In February 2025, the firm backed Byzantine Finance in its pre-seed round, which raised $3 million for its DeFi staking protocol. Co-investors included Node Capital, Blockwall, Lightshift, and Kiln.
Also in February 2025, MASTERKEY invested in Taproot Wizards during its Series B round, which raised $30 million for its Bitcoin ecosystem/NFT/art marketplace. Co-investors included Standard Crypto, Cyber Fund, Collider Ventures, and Geometry.
Earlier, in November 2023, MASTERKEY supported Taproot Wizards in its seed round, raising $7.5 million with co-investors Standard Crypto, Geometry, Collider Ventures, and Starkware.
What are MASTERKEY's investment criteria?
MASTERKEY focuses on early-stage blockchain and cryptocurrency projects, particularly those related to foundational technology layers. The firm is interested in sectors such as DeFi, DAOs, CeFi, and non-custodial solutions.
How can I apply or pitch to MASTERKEY?
Interested parties can visit masterkey.vc for applications or pitches. Specific email contact information is not provided.
What makes MASTERKEY different from other venture capital firms?
MASTERKEY not only provides capital but also offers hands-on support to its portfolio companies. The firm leverages a strong co-investor network and expertise in advanced infrastructure, cryptography, and cybersecurity.
What is the geographic scope of MASTERKEY's investments?
MASTERKEY invests globally, with a particular focus on markets in Asia and Israel.
What is the typical check size for investments?
While specific check sizes are not disclosed, MASTERKEY invests in early-stage funding rounds, which typically range from pre-seed to Series A.
What is MASTERKEY's post-investment involvement like?
MASTERKEY is actively involved with its portfolio companies, providing operational support and strategic guidance to help navigate the complexities of the blockchain ecosystem.
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