# Joseph Lubin

> Joseph Lubin is a seed investor at ConsenSys (New York) backing Blockchain and Software. See 24 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [ConsenSys](https://shizune.co/investors/profile/consensus-systems)
- Location: New York, United States
- Total investments: 24
- Last investment: Jul 2026
- Lead investor: 42%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/joseph-lubin-48406489
- X (Twitter): https://twitter.com/ethereumJoseph
- Website: https://x.com/ethereumJoseph
- Facebook: https://www.facebook.com/joseph.lubin.31

Joseph Lubin is a co-founder of blockchain computing platform Ethereum and the founder of Consensus Systems (ConsenSys), a blockchain venture studio. ConsenSys is one of the largest and fastest-growing companies in the blockchain technology space, building developer tools, decentralized applications, and solutions for enterprises and governmentsthat harness the power of Ethereum. Headquartered in New York, ConsenSys also has a global presence, employing top entrepreneurs, computer scientists, software developers, and experts in enterprise delivery worldwide.Lubin graduated from Princeton University with a degree in Electrical Engineering and Computer Science. He worked in the Princeton Robotics Lab, at tomandandy music developing an autonomous music composition tool, and at private research firm Vision Applications Inc. building autonomous mobile robots.As a software engineer and consultant, Lubin worked with eMagine on the Identrus project and was involved in the founding and operation of a hedge fund with a partner. He held positions as Director of the New York office of Blacksmith Software Consulting, and VP of Technology in Private Wealth Management at Goldman Sachs. Through these posts, Lubin focused on the intersection of cryptography, engineering, and finance.Switching gears, Lubin moved to Kingston, Jamaica to work on projects in the music industry. Two years into his musical endeavors, Lubin co-founded the Ethereum Project and has been working on Ethereum and ConsenSys since January 2014.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $5M–$8M |
| Pre-Seed | $400k–$5.5M |
| Series A | $19M–$38M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Blockchain | 11 | 46% |
| Software | 5 | 21% |
| Cryptocurrency | 5 | 21% |
| FinTech | 4 | 17% |
| Ethereum | 4 | 17% |

44 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 13 | 54% |
| Pre-Seed | 3 | 13% |
| Series A | 2 | 8% |
| Funding Round | 2 | 8% |
| Post-IPO Equity | 1 | 4% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 9 | 38% |
| Malta | 1 | 4% |
| Canada | 1 | 4% |
| Germany | 1 | 4% |
| Ireland | 1 | 4% |

10 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Bundle | Bundle is the first networked rewards platform in the world, revolutionizing how companies interact with and reward their clients.Bundle provides companies with access to significantly more incentives than they could provide on their own by pooling brand incentive funds into common reward pools. Even though they only contribute a small portion ofthe total incentive value, brands can increase conversions. | $5.5M | Pre-Seed | Jul 30, 2026 |  |
| Ethereum Institutional | Ethereum Institutional is a non-profit organization that focuses on increasing institutional use of the Ethereum ecosystem, including its Layer 2 networks and applications. The organization provides institutional education and engagement for banks, asset managers, custodians, fintechs, market infrastructures, and public institutions evaluatingEthereum. It produces neutral research explaining how Ethereum works, its development roadmap, and its implications for institutional users. Ethereum Institutional also coordinates ecosystem marketing around ETH and real-world deployments to inform institutional strategies. In addition, it gathers industry requirements for tokenization, custody, and settlement on Ethereum and convenes events where institutions and Ethereum ecosystem stakeholders can discuss priorities and implementation approaches. |  | Seed | Jul 29, 2026 |  |
| EthSystems | EthSystems operates as an engineering and research company. EthSystems is a team that helps onboard institutions onto Ethereum with a focus on privacy needs being met in a performant, secure, usable, and accessible way. |  | Seed | Jul 14, 2026 |  |
| Ethlabs | Ethlabs is a nonprofit research lab that develops core technology and standards to make Ethereum faster, more secure, and ready for institutional adoption. |  | Seed | Jun 22, 2026 |  |
| SharpLink | SharpLink is an online technology company that works with sports leagues, fantasy sports sites, and sports media companies. | $425M | Post-IPO Equity | May 27, 2025 |  |
| Turtle Club | Turtle Club is a protocol for an on-chain liquidity allocation platform that focuses on connecting LPs, protocols, and partners through sustainable and transparent incentives. | $6.2M | Seed | May 12, 2025 |  |
| kpk | kpk operates in the financial services sector, focusing on decentralized organizations. The company offers state-of-the-art risk management and trust-minimized DeFi treasury execution services. Their goal is to help these organizations preserve capital. They also engage in professional DAO treasury development and manage funds to fuel developmentregardless of overall economic conditions. Karpatkey is also involved in enhancing liquidity incentive strategies and has a non-custodial AUM. | $7M | Seed | Oct 22, 2024 |  |
| MegaETH | MegaETH is the first blockchain in real time and entirely on-chain, immediate, interactive apps are enabling mankind to reach its greatest potential. | $20M | Seed | Jun 27, 2024 |  |
| Connext Labs | Connext Labs is a modular interoperability protocol that builds secure cross-chain apps for transferring funds and data. The company builds the future of value transfer on the internet, using decentralized networks to transform finance and put value back into the hands of individuals. | $7.5M | Seed | Jun 14, 2023 |  |
| Candy Digital | Candy Digital is an rapid-growth NFT (Digital Collectables) company that allows fans to buy, sell, and trade officially licensed non-fungible tokens (also known as NFTs, Digital Assets, Digital Collectables). Candy was launched by Fanatics, Michael Rubin, Mike Novogratz, and Gary Vaynerchuk in 2021. Candy Digital's Chief Executive Officer isScott Lawin, an experienced and top performing serial entrepreneur with extensive experience in the financial and VC industries. | $38.4M | Series A | Jan 05, 2023 |  |

10 of 24 investments shown.

## Co-investors
- [Galaxy Digital](https://shizune.co/investors/profile/galaxy-digital-lp) — VC Fund, 4 deals together
- [Anchorage Digital](https://shizune.co/investors/profile/anchorage) — VC Fund, 3 deals together
- [Bitmine Immersion Technologies](https://shizune.co/investors/profile/bitmine-immersion-technologies) — VC Fund, 3 deals together
- [A.Capital Ventures](https://shizune.co/investors/profile/capital-partners-l-p) — VC Fund, 3 deals together
- [ConsenSys](https://shizune.co/investors/profile/consensus-systems) — VC Fund, 3 deals together
- [ConsenSys Mesh](https://shizune.co/investors/profile/consensys-mesh) — VC Fund, 3 deals together

## About ConsenSys

VC Fund · Zug, Switzerland

ConsenSys is an Ethereum software web3 company. ConsenSys enables developers, enterprises, and people worldwide to build next-generation applications, launch modern financial infrastructure, and access the decentralized web. ConsenSys' product suite, composed of Infura, Quorum, Truffle, Codefi, MetaMask, and Diligence, serves millions ofusers, supports billions of blockchain-based queries for its clients, and has handled billions of dollars in digital assets. Ethereum is a programmable blockchain in the world, business adoption, developer community, and DeFi activity. On this trusted, open-source foundation, ConsenSys is building the digital economy of tomorrow.

5 contacts available at ConsenSys.

| Name | Title | Profile |
| --- | --- | --- |
| Jeremy Millar | Chief Of Staff | https://shizune.co/investors/profile/jeremy-millar-2 |
| Russell Verbeeten | Multiple Roles | https://shizune.co/investors/profile/russell-verbeeten |
| Becky Moody | Senior Manager, HR Technology & Analytics | https://shizune.co/investors/profile/becky-moody |
| Didier Le Floch | Codefi CTO | https://shizune.co/investors/profile/didier-le-floch |
| Emmanuel Marchal | Global Head of Sales | https://shizune.co/investors/profile/emmanuel-marchal |

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## FAQ

### What does Joseph Lubin invest in?

Joseph Lubin invests primarily in Blockchain, Software and Cryptocurrency startups, most often at Seed and Pre-Seed stage. Most of the 24 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Joseph Lubin's check size?

Joseph Lubin typically joins rounds of $5M–$8M at Seed, $400k–$5.5M at Pre-Seed and $19M–$38M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Joseph Lubin participates in.

### When did Joseph Lubin last invest?

The most recent investment recorded for Joseph Lubin closed in Jul 2026. Shizune tracks 24 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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