Slow Ventures

Slow Ventures, established in 2009 and based in San Francisco, is a private equity firm specializing in early-stage venture capital investments. The company focuses on innovative technology startups, particularly those operating at the intersection of science, society, and culture. Slow Ventures supports companies across various sectors, including software, TMT, and non-financial services, providing them with resources, connections, and empathy to foster their growth and sustainability.

Jill Carlson

Venture Partner

Catherine Gildea

Associate

Megan Lightcap

Principal

Corinne Pinjuv

Partner and Operations Manager

Yoni Rechtman

Principal

Past deals in Blockchain

Rakurai

Seed Round in 2025
Rakurai specializes in developing blockchain software designed to enhance the scalability of blockchain networks. The company offers a platform that utilizes established networking and algorithmic trading technologies to create validator nodes for layer-1 blockchains. This innovative approach allows businesses to improve transaction throughput on blockchains while ensuring security, decentralization, and neutrality. Rakurai's solutions aim to deliver robust performance for web3 infrastructure, catering to the growing demands of the blockchain ecosystem.

Tapestry

Series A in 2025
Tapestry is a social protocol that allows users to create social apps and allows users to own their data and connections.

Chaos Labs

Series A in 2024
Chaos Labs is a cloud-based platform that provides an automated on-chain economic security system for cryptocurrency protocols, focusing on risk management and capital efficiency. By leveraging advanced technology and risk management expertise, it enables protocols to better navigate the volatile crypto markets and protect user funds. The platform creates simulations of user interactions, protocol dynamics, and potential malicious activities, allowing clients to analyze and enhance their systems through scenario-based testing. Currently, Chaos Labs supports protocols on the Ethereum network, with plans for future expansion to additional blockchains such as Terra, NEAR, and Polygon. This approach fosters a more secure and efficient operating environment for crypto protocols, enhancing their resilience against risks.

Avian Labs

Series A in 2024
Avian Labs is a financial technology company that specializes in developing payment solutions, primarily through its application Sling. This app facilitates seamless transactions between individuals and businesses, eliminating the complexities associated with traditional banking methods, such as sort codes and IBANs. By operating at the intersection of conventional finance and cryptocurrency, Avian Labs aims to create a simplified and globalized payment experience. Their platform enables secure money transfers across borders and currencies, while also emphasizing resistance to fraud and money laundering. Additionally, Avian Labs is committed to ethical practices, as evidenced by their hiring of professionals for roles such as Compliance & Financial Crime Manager.

Hyperline

Seed Round in 2024
Hyperline is a data platform specializing in Web3 technologies, designed to serve as a data lakehouse that integrates data storage and analytics. The platform facilitates data analysis, data science, and machine learning by providing a unified solution for managing and analyzing large volumes of data within the Web3 ecosystem. Hyperline offers streamlined data ingestion processes and establishes a robust storage infrastructure, allowing users to efficiently retrieve and save data. Additionally, it creates compute clusters to manage workloads, enabling product engineers and analysts to concentrate on developing applications rather than system management tasks.

KINO

Pre Seed Round in 2023
KINO is a web3 film finance company that democratizes film and protects artists' rights.

Hook

Seed Round in 2023
Hook is an online platform based in San Francisco that specializes in fine art exhibitions and NFT-native options trading. Founded in 2019, Hook offers a unique venue for collectors, combining the diversity of an art fair with the quality of a gallery exhibition, all accessible from home. The platform curates programming throughout the year, catering to sophisticated collectors seeking to enhance their art collections. Additionally, Hook features an options protocol designed for active traders, enabling them to optimize their trading strategies and increase potential earnings. This dual focus on fine art and trading positions Hook as a distinctive player in the online marketplace.

Portal

Seed Round in 2023
Portal Labs is developing enterprise-grade web3 infrastructure designed to enhance user experiences across various digital platforms. The company focuses on providing consumer infrastructure that ensures security and simple integration, allowing users to engage seamlessly with applications such as NFTs, decentralized finance (DeFi), and play-to-earn gaming. By offering a native experience, Portal aims to unlock new capabilities and use cases for users, facilitating easier interaction within the evolving web3 landscape.

Visible

Seed Round in 2023
Visible is a Miami-based company founded in 2022 that aims to transform real estate transactions through modern technology. By developing a financial network, Visible seeks to empower smaller-scale real estate investors by providing them with access to essential data, legal frameworks, and capital. The company's goal is to create a more equitable environment for buying, selling, and monetizing property, enhancing the traditional title system to facilitate these processes for homeowners and investors alike.

Avian Labs

Seed Round in 2023
Avian Labs is a financial technology company that specializes in developing payment solutions, primarily through its application Sling. This app facilitates seamless transactions between individuals and businesses, eliminating the complexities associated with traditional banking methods, such as sort codes and IBANs. By operating at the intersection of conventional finance and cryptocurrency, Avian Labs aims to create a simplified and globalized payment experience. Their platform enables secure money transfers across borders and currencies, while also emphasizing resistance to fraud and money laundering. Additionally, Avian Labs is committed to ethical practices, as evidenced by their hiring of professionals for roles such as Compliance & Financial Crime Manager.

Return Protocol

Pre Seed Round in 2022
Return Protocol is a developer of blockchain infrastructure focused on promoting regenerative finance within the Web3 ecosystem. The company has created an environmental offsetting protocol that integrates with on-chain wallets, facilitating funding for climate projects through blockchain technology. This system allows users to automatically offset the environmental impact of their transactions, utilizing on-chain environmental assets to support both existing and future initiatives aimed at combating climate change. By empowering consumers, businesses, and communities to engage in transparent and aligned climate action, Return Protocol aims to foster a more sustainable and responsible approach to financial transactions.

Ottr Finance

Pre Seed Round in 2022
Ottr Finance provides a user-friendly platform that harnesses the capabilities of the Solana blockchain to enhance the financial experiences of everyday users. It offers a self-custody crypto application that allows individuals to easily send USDC instantly and without fees, eliminating the complexities often associated with traditional self-custody wallets. By streamlining the process and removing the need for seed phrases, Ottr Finance aims to make cryptocurrency accessible to a broader audience. Users can engage in various financial activities, such as sending money to friends, saving in U.S. dollars, and investing in crypto, all through a straightforward interface that is designed for ease of use.

Lit Protocol

Series A in 2022
Lit Protocol is a decentralized access control infrastructure aimed at enhancing the utility of the web. It provides an open-source platform that enables users to access both digital and real-world experiences. By leveraging on-chain data, Lit Protocol allows blockchain users to gain access to content, software, and data through the use of tokens, NFTs, and blockchain identity as keys. This approach facilitates a more versatile and secure interaction with online resources, contributing to a more connected and functional web environment.

Comm Technologies

Seed Round in 2022
Comm Technologies is focused on enhancing end-to-end (E2E) encryption through the development of a crypto-native messaging platform. This platform allows users to acquire non-fungible tokens (NFTs) while maintaining their online anonymity. By utilizing personal private servers and key servers, Comm Technologies offers a web3 chat solution that ensures secure communication and adheres to specific notification restrictions. This approach enables clients to manage their communications effectively through a unified inbox, while also facilitating the scaling of E2E encryption for enhanced privacy.

Big Whale Labs

Seed Round in 2022
Big Whale Labs is a startup focused on enhancing identity and social interactions through zero-knowledge cryptography and distributed computing. The company has developed a decentralized identity verification platform that enables users to create and engage as pseudonymous blockchain identities, while still having verified credentials and reputations associated with them. Their primary product, Ketl, is an application designed for verified founders and venture capitalists to discuss sensitive topics with a strong emphasis on privacy. By utilizing non-fungible tokens (NFTs) built on blockchain technology, Big Whale Labs aims to make online social interactions safer, more enjoyable, and secure, allowing crypto owners to verify their credentials while maintaining anonymity.

Pollen Mobile

Seed Round in 2022
Pollen Mobile operates a decentralized mobile network that is owned and managed by its users, leveraging blockchain technology to enhance mobile connectivity. The network utilizes citizens broadband radio service (CBRS) and incorporates a crypto-economy centered around Pollen Coin, Magma, and various open-source protocols. By offering a user-owned and operated alternative, Pollen Mobile aims to provide reliable, affordable, and privacy-focused mobile services, distinguishing itself from traditional mobile carriers.

Allora Labs

Series A in 2022
Allora Labs is a blockchain-based protocol focused on providing reliable appraisals for digital assets, particularly in the realm of non-fungible tokens (NFTs). The company has developed a platform that incentivizes experts to deliver honest insights, thereby facilitating efficient price discovery for NFTs. By compensating these experts for their assessments, Allora Labs not only unlocks new opportunities for professionals in the field but also enhances decision-making for crypto developers. The platform employs machine learning to analyze credible information, allowing users to optimize strategies and quantify risks in the rapidly evolving digital asset market.

Cradle

Seed Round in 2022
Web3 Ad Network

Espresso Systems

Seed Round in 2022
Espresso Systems specializes in providing scaling and privacy solutions for Web 3 applications, focusing on the innovative area of shared sequencing within blockchain technology. This involves the use of sequencers that verify and batch transactions on layer-2 blockchains before sending them to a layer-1 chain, such as Ethereum, for settlement. Additionally, Espresso Systems develops online transaction technology aimed at enhancing the online payment industry, offering infrastructure that facilitates secure and efficient online interactions. Their solutions cater to the needs of clients in the online transaction sector, contributing to the advancement of the third generation of the World Wide Web.

Rarify Labs

Series A in 2022
Rarify Labs advancing the next-generation interoperability rarimo protocol

Rarify

Series A in 2022
Rarify is currently working on making a service where minting and selling digital assets can become a non-hassle for industries such as music, gaming, applications and entertainment.

DIMO

Seed Round in 2022
DIMO is a user-owned connected vehicle platform. It allows drivers to access next-generation mobility apps and earn $DIMO for sharing data from their cars.

Swoops

Seed Round in 2022
Swoops develops and creates a basketball simulation game with the help of blockchain technology. It allows users to create, manage, and build teams and their skills, and compete with other teams while earning digitally.

Aleo

Series B in 2022
Aleo provides a platform for building fully private applications using zero-knowledge technology. It offers a comprehensive toolkit that includes an application runtime environment, allowing software to compile, execute, and finalize its state autonomously. Aleo also supports a statically-typed programming language called Leo, designed specifically for private application development on the Aleo blockchain. The company engages its community through blogs and incentive programs to test the bounds of its decentralized technology.

Burrata

Seed Round in 2021
Burrata is a computer software developer focused on facilitating the transition from Web2 to Web3. The company specializes in creating decentralized finance (DeFi) protocols that assist in building and identifying information bridges. These protocols provide an integration layer designed to standardize, process, and prioritize the influx of Web2 data on-chain. This capability enables users to navigate Know Your Customer (KYC) requirements without the need for repeated verification or disclosure of personal information. Through its innovative solutions, Burrata aims to enhance the user experience in the evolving digital landscape.

Mysten Labs

Series A in 2021
Mysten Labs is a web3 infrastructure company committed to facilitating the mass adoption of decentralized technologies. The company develops essential tools and foundational infrastructure that enhance the security and usability of web3 applications. By improving interoperability across multiple blockchain networks, Mysten Labs enables developers to concentrate on delivering superior user experiences rather than navigating the complexities of lower-level blockchain integrations. Through its innovative solutions, the company aims to accelerate the development and adoption of decentralized services, positioning itself as a key player in the evolution of the web3 ecosystem.

Parcl

Seed Round in 2021
Parcl is a blockchain-based platform focused on real estate investment, enabling users to invest in fractional ownership of physical properties by purchasing digital square feet. The platform incorporates advanced data analytics to track real estate price movements, utilizing millions of data points to create precise, city-level real estate indexes. These indexes are updated daily, providing users with timely insights into market trends. By simplifying access to real estate investments, Parcl allows individuals to engage with a diverse portfolio of properties through a single, streamlined transaction.

Wonderverse

Seed Round in 2021
Wonderverse is a task management system founded in 2021 and headquartered in San Francisco, California. It is designed to assist decentralized autonomous organizations (DAOs) in launching and scaling their initiatives effectively. The platform facilitates process development, rights configuration, and transparent collaboration among team members. By providing tools for workflow creation and task setup, Wonderverse enables organizations to plan projects, manage contributor payments, and enhance teamwork across various initiatives.

Umbrel

Seed Round in 2021
Umbrel provides a personal server with a Bitcoin and Lightning node at home.

Big Whale Labs

Pre Seed Round in 2021
Big Whale Labs is a startup focused on enhancing identity and social interactions through zero-knowledge cryptography and distributed computing. The company has developed a decentralized identity verification platform that enables users to create and engage as pseudonymous blockchain identities, while still having verified credentials and reputations associated with them. Their primary product, Ketl, is an application designed for verified founders and venture capitalists to discuss sensitive topics with a strong emphasis on privacy. By utilizing non-fungible tokens (NFTs) built on blockchain technology, Big Whale Labs aims to make online social interactions safer, more enjoyable, and secure, allowing crypto owners to verify their credentials while maintaining anonymity.

Nirvana

Series A in 2021
Nirvana is an AI-native financial infrastructure shaping the future of Agentic DeFi. - Redefining DeFi with AI Agents – Nirvana builds AI frameworks for DEFAI agents to maximize capital efficiency - AI-Native On-Chain Protocols – Empowering DEFAI agents with AI-native protocols to autonomously launch innovative financial instruments and optimize strategies

RabbitHole

Seed Round in 2021
RabbitHole helps users navigate the play to earn space with curated opportunities. The company also allows users to build their knowledge with resources across DeFi, DAOs, and NFTs as well as explore web3 projects and earn rewards doing so. RabbitHole was established in 2020 by Brian Flynn in Venice, California.

CoinAlpha

Series A in 2021
CoinAlpha, Inc. is a fintech software engineering company based in Mountain View, California, established in 2017. The firm specializes in trading and market-making software for digital assets, leveraging expertise in data engineering, machine learning, and blockchain technology. CoinAlpha is known for developing Hummingbot, an open-source software platform that allows users to create market-making and arbitrage bots, as well as Hummingbot Miner, a liquidity mining platform that enables users to earn rewards by executing market-making strategies on selected trading pairs. The company pioneered the concept of liquidity mining in a 2019 whitepaper. Initially started as a quantitative hedge fund, CoinAlpha's founders possess extensive experience in investment banking and trading, having worked at prominent financial institutions, along with engineering roles in notable Silicon Valley companies. The company has successfully raised $14.8 million in funding from various venture capital firms and angel investors to support its innovative solutions in contract-based financial products.

Infinite Objects

Seed Round in 2021
Infinite Objects, Inc. is a company that specializes in creating physical collectibles known as "Video Prints," which allow digital content to be displayed in a tangible format. By integrating web3 technologies and leveraging blockchain assets, Infinite Objects transforms personal moments, art, entertainment, and sports into immersive design objects. The company develops digital frames that showcase moving images, providing a unique way for individuals to experience digital art outside of traditional smart devices. This approach elevates the concept of collecting by offering a permanent and visually appealing way to enjoy video content as part of home decor. Headquartered in the United States, Infinite Objects also operates an online design store that features homeware designs, stickers, and seasonal gifts.

Chia Network

Series D in 2021
Chia Network Inc. is a San Francisco-based company that develops a blockchain platform focused on creating a more sustainable and decentralized cryptocurrency. Incorporated in 2017, Chia Network utilizes a unique approach based on proofs of space and time, harnessing low-cost, unused storage space on hard drives to optimize cryptocurrency transactions. The company offers Chialisp, a smart transaction programming language that enhances the security and ease of use of its cryptocurrency. By employing proofs of work for blockchain verification, Chia Network aims to provide a more efficient and secure alternative for both individual miners and traditional financial institutions purchasing and deploying cryptocurrency.

Allora Labs

Series A in 2021
Allora Labs is a blockchain-based protocol focused on providing reliable appraisals for digital assets, particularly in the realm of non-fungible tokens (NFTs). The company has developed a platform that incentivizes experts to deliver honest insights, thereby facilitating efficient price discovery for NFTs. By compensating these experts for their assessments, Allora Labs not only unlocks new opportunities for professionals in the field but also enhances decision-making for crypto developers. The platform employs machine learning to analyze credible information, allowing users to optimize strategies and quantify risks in the rapidly evolving digital asset market.

Aleo

Venture Round in 2021
Aleo provides a platform for building fully private applications using zero-knowledge technology. It offers a comprehensive toolkit that includes an application runtime environment, allowing software to compile, execute, and finalize its state autonomously. Aleo also supports a statically-typed programming language called Leo, designed specifically for private application development on the Aleo blockchain. The company engages its community through blogs and incentive programs to test the bounds of its decentralized technology.

Iron Fish

Seed Round in 2021
Iron Fish is a cryptocurrency that prioritizes privacy and accessibility within the blockchain space. As a Layer 1 blockchain, it ensures robust privacy protections for every transaction conducted on its platform. The company aims to create private blockchain networks that are accessible to a global audience, employing an efficient syncing technique that supports low-resource clients, including mobile devices and websites. By focusing on these aspects, Iron Fish seeks to uphold the principles of cash in an increasingly digital environment.

Eco

Series A in 2021
Eco is a financial technology company that focuses on enhancing the value of money through innovative software solutions. As a founding contributor to the Eco Protocol, it aims to reshape traditional banking and reward systems. The company has developed Bend, a platform that seeks to improve users' financial experiences by maximizing the utility and effectiveness of their money. Eco's mission centers on empowering individuals to expect more from their financial transactions, ultimately striving to redefine the relationship between people and their money.

Boardroom Labs

Seed Round in 2020
Boardroom Labs Inc is a New York-based company that specializes in developing an integrated governance management platform designed for crypto networks. Founded in 2020, the company focuses on enhancing decision-making processes by providing tools that allow stakeholders to interact, signal, and vote on governance proposals. This platform aims to facilitate faster and more informed decisions, enabling token holders, issuers, and delegates to engage seamlessly in governance across various protocols. Boardroom Labs is committed to fostering an inclusive environment and believes in the potential of decentralized networks to transform traditional management and ownership structures.

Cozy Finance

Seed Round in 2020
Cozy Finance, Inc. is a Seattle-based company that specializes in developing risk management software tailored for the decentralized finance (DeFi) sector. Founded in 2020, the company offers a permissionless, peer-to-peer protection solution that enables users to invest in DeFi while safeguarding their assets against potential hacks and exploits. Additionally, Cozy Finance allows users to deposit funds, which can then be utilized by others for protected investing. By providing innovative tools and solutions, Cozy Finance aims to enhance the security and value management of cryptocurrency investments for developers and investors alike.

Chia Network

Venture Round in 2020
Chia Network Inc. is a San Francisco-based company that develops a blockchain platform focused on creating a more sustainable and decentralized cryptocurrency. Incorporated in 2017, Chia Network utilizes a unique approach based on proofs of space and time, harnessing low-cost, unused storage space on hard drives to optimize cryptocurrency transactions. The company offers Chialisp, a smart transaction programming language that enhances the security and ease of use of its cryptocurrency. By employing proofs of work for blockchain verification, Chia Network aims to provide a more efficient and secure alternative for both individual miners and traditional financial institutions purchasing and deploying cryptocurrency.

Lightning Labs

Series A in 2020
Lightning Labs is focused on creating advanced decentralized financial infrastructure utilizing blockchain technology and smart contracts. The company has developed the Lightning Network Daemon (lnd), which serves as a leading implementation of the Lightning Network protocol, allowing for efficient and private transactions. Additionally, Lightning Labs offers Neutrino, an open platform that enables users to conduct blockchain and Lightning Network transactions easily via mobile devices. By enhancing the capabilities of cryptocurrency transactions, Lightning Labs aims to facilitate financial cooperation globally, making transactions accessible and efficient for users of all sizes.

Arwen

Venture Round in 2020
Arwen gives protection while trade on cryptocurrency exchanges. They are a team of seasoned experts in cryptography, network and cloud security. Arwen aims to be the most secure standard of trading as a technology built for centralized cryptocurrency exchanges. Their protocol and system has been developed by a team with over a decade of expertise in cryptographic standards and network security. They are building better crypto trading infrastructure and have the best team in the business.

BLADE

Seed Round in 2019
BLADE Holdings, Inc. is a technology company based in Seychelles that operates a cryptocurrency derivative exchange. The company facilitates the trading of cryptocurrencies on a perpetual basis, aiming to establish a new foundational layer for the cryptocurrency markets and, ultimately, the broader global financial markets.

Solana

Series A in 2019
Solana is a blockchain technology company, established in 2021, specializing in the development of a decentralized, scalable blockchain platform. The platform, validated by thousands of independent nodes, ensures robust security and resistance to censorship. It leverages proof of history and concurrent GPU parallelization to deliver high-speed, low-latency, and inexpensive transactions, enabling users to scale without sharding or specialized hardware.

Spacemesh

Venture Round in 2018
Spacemesh is a blockchain protocol based in North Pole, Alaska, that focuses on creating a fair, decentralized, and secure platform for smart contracts. It employs a unique Proofs of Space-Time (PoST) consensus mechanism and utilizes a Directed Acyclic Graph (DAG) topology instead of traditional chain structures. This innovative approach allows for a leaderless, non-competitive voting system known as Collaborative Mining, which promotes permissionless decentralization. The platform is designed to be open-source and programmable, enabling users to run general-purpose smart contracts efficiently while conserving resources by leveraging unused storage space on hard drives for computation. With its emphasis on security, fairness, and environmental sustainability, Spacemesh aims to provide a robust cryptocurrency solution that can self-heal and adapt to the needs of its users.

Archblock

Initial Coin Offering in 2018
Archblock is a financial technology company that focuses on bridging institutional capital with decentralized finance (DeFi) through innovative web3-enabled products. Founded in 2017 and based in San Francisco, Archblock operates the TrustToken platform, which facilitates the creation of asset-backed tokens for global trading. The company emphasizes transparency and accessibility in lending by connecting institutional lenders and fund managers to DeFi markets. Its offerings include a modular suite of tools that allows institutions to create and manage stablecoins, tokenize real-world assets, and securely manage portfolios. Archblock's platform ensures compliance with fiduciary responsibilities and provides a legal framework that enforces smart contract terms, thereby enhancing the integrity of financial transactions.

Tari Labs

Seed Round in 2018
Tari Labs, LLC is a company based in Oakland, California, that specializes in developing a decentralized blockchain protocol focused on digital assets. Founded in 2018, its platform allows users to manage, utilize, and transfer various digital assets, including tickets, loyalty points, and virtual goods. Tari Labs also offers Aurora, a mobile payment wallet that facilitates the transfer of digital currency. The company aims to provide a user-friendly environment for creating digitally scarce items, empowering individuals and businesses to explore new opportunities within the digital asset landscape. By offering customizable templates and rulesets, Tari Labs enables customers to leverage its blockchain protocol effectively.

krypt.co

Seed Round in 2017
krypt.co builds the next generation of mobile-based authentication, with a vision that authentication should be based on strong cryptography. Public key cryptography has existed for almost 40 years but it’s barely used for authentication. The private key is not memorizable. Most people cannot compute digital signatures in their head. Therefore we need to store the private key somewhere. It has to be accessible but also kept a secret. At KryptCo, they tackles this very problem and believes that smartphone is core to the solution.
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