Monday Capital

Monday Capital is a venture capital firm established in 2017 and located in New York, New York. The firm focuses on investing in innovative sectors, specifically biotechnology, blockchain, data, and artificial intelligence. By targeting these cutting-edge industries, Monday Capital aims to support and promote the development of technologies that have the potential to transform various aspects of daily life and business operations.

Yiannis Varelas

Founding Partner

20 past transactions

AINN Layer2

Seed Round in 2024
AINN Layer2 is a decentralized network focused on developing a Bitcoin Layer2 platform that facilitates the deployment of large-scale AI applications. The company emphasizes the performance and cross-chain support of various digital assets, allowing for seamless interoperability. Its innovative architecture features a modular subnet and a decentralized computation engine, enhancing the credibility and efficiency of transactions. AINN Layer2 enables users to manage critical functions such as registration, deregistration, rewards, and scoring for provers and miners, making it a significant player in the Web3 AI ecosystem.

Hera Biotech

Venture Round in 2023
Hera Biotech is a biotechnology company focused on women's health and reproductive medicine, established in 2020 and headquartered in San Antonio, Texas. The company specializes in developing definitive tissue-based tests aimed at diagnosing and staging endometriosis. Hera Biotech's innovative technology offers a novel non-surgical approach for the early diagnosis of endometriosis, addressing significant gaps in therapeutic options available for women.

Dandelion Science

Seed Round in 2023
Dandelion Science is a neuro-coding company focused on advancing the understanding of the brain through innovative Programmable Therapeutics. The company has developed a neurological therapy that presents an alternative approach to traditional neuropsychiatric and neurological treatments. By targeting specific data pathways in the brain, Dandelion Science aims to transform the treatment of brain disorders, providing medical professionals with effective tools to address various neurological challenges.

Koii

Seed Round in 2022
Koii is the only people-powered AI supercomputer. It is the first Layer 1 blockchain designed for AI and DePIN (Decentralized Physical Infrastructure Networks), enabling scalable compute, storage, and data decentralization. Koii's unique software that crowdsources even the smallest devices from around the world to provide the arena where AI agents can compete to solve real world problems. The team has built a foundational computing layer which provides out-of-the-box AI Agents, hosting, and more. Koii network that enables anyone across the globe with a computer to easily deploy AI Agents that build, host, and market open source technologies. Koii's Mainet Launch and Token Generation event happened in January 2025. Koii also introduced The Prometheus 24/7 Builder task (https://prometheusswarm.ai/) built on Koii ecosystem, which creates and manages an advanced AI agent that works around the clock to write high-quality code, consistently earning you KOII tokens in return. These automated code writing agents are designed to continuously develop and implement useful new products and features, which: - enhances the network’s overall value and, - increases the earning potential of your node. Looking towards the future, we envision a self-sustaining ecosystem where AI agents autonomously create and optimize Koii tasks, leading to exponential network growth and creating an ever-expanding landscape with more diverse and lucrative opportunities for node operators to earn substantial rewards.

TravelX

Seed Round in 2022
TravelX is a company focused on transforming the travel industry through blockchain technology. It specializes in tokenizing air tickets, allowing airlines to enhance their retailing capabilities and offering consumers a more flexible travel product known as the NFTicket. This innovation aims to improve customer experience and value while generating additional revenue streams and lowering operational costs for airlines. The platform developed by TravelX enables airlines and travel suppliers to tokenize their inventory, facilitating new distribution methods and use cases. This approach simplifies processes such as changes, cancellations, transfers, and sales of tokenized inventory, resulting in a more efficient and user-friendly experience for travelers.

Ava Protocol

Seed Round in 2022
Ava Protocol is a developer of a blockchain payment automation platform that facilitates private autonomous transactions for diverse applications, including decentralized finance, non-fungible tokens, and gaming. The platform utilizes an intent-based Eigenlayer architecture to enhance decentralized applications by incorporating features such as scheduled and recurring payments, stop-loss orders, and streaming rewards. Its event-driven execution model allows for the triggering of cross-chain transactions based on various signals, including time, price fluctuations, and smart contract updates. This enables developers to efficiently schedule and automate functions across multiple blockchains, including Ethereum, while maintaining privacy and ensuring reliable execution.

Fairmint

Pre Seed Round in 2022
Fairmint Inc. is a technology company that specializes in developing a cloud-based web application designed to facilitate funding for startups through Continuous Securities Offerings. Founded in 2018 and headquartered in Sheridan, Wyoming, Fairmint enables companies to raise capital by allowing contributors to receive tokenized equity in exchange for their investments of time or money. The platform utilizes blockchain technology and smart contracts, making equity programmable and enhancing the fundraising process. By broadening the potential investor pool beyond traditional sources like founders, venture capitalists, and employees, Fairmint empowers a wider range of individuals to invest in emerging companies based on their revenue performance. This innovative approach fosters a sense of ownership and engagement among community members, positioning Fairmint as a key player in the ownership economy and a vital component of the modern startup ecosystem.

Mangrove DAO

Seed Round in 2021
Mangrove DAO operates as a decentralized exchange that facilitates the posting of arbitrary smart contracts as offers. Its platform leverages decentralized finance protocols to provide the underlying infrastructure for trading activities. Users can engage in sharing, borrowing, lending, and displaying offers within an order book system, allowing for a dynamic trading environment. This structure not only enhances liquidity but also empowers users to create and manage their own unique trading offers.

ChainSwap

Venture Round in 2021
ChainSwap is a cross-chain asset bridge and application hub that facilitates seamless interactions between various smart chains, including Ethereum, Binance Smart Chain, and HECO. The company specializes in enabling projects to bridge assets across different blockchains, offering a platform that integrates cross-chain swaps, trading protocols, and lending and borrowing features. Additionally, ChainSwap provides tools for handling non-fungible tokens (NFTs) across multiple chains, allowing clients to explore cross-chain alternatives for NFTs and efficiently swap their assets. Through its comprehensive suite of services, ChainSwap aims to enhance interoperability within the blockchain ecosystem.

Astar Network

Series A in 2021
Astar Network is a multi-virtual machine scalable smart contract platform on Polkadot supporting cutting-edge layer 2 like Rollups.

CERE Network

Venture Round in 2021
CERE Network is a blockchain-based company that specializes in developing a customer relationship management (CRM) ecosystem designed for data integration and collaboration. Founded in 2019 and headquartered in San Francisco, California, CERE Network offers a platform that extracts customer data from various monolithic and disparate CRM and customer data platform systems. This platform provides an open micro-services environment that facilitates data collaboration and integration between businesses and vendors. Additionally, CERE Network utilizes blockchain technology to capture the entire customer journey, securely storing key user data such as purchases and achievements in user wallets. The company also introduces its own tokens, which are used for payment within its ecosystem.

Sovryn

Seed Round in 2020
Sovryn operates as a Bitcoin-based decentralized trading and lending platform, developed on RSK, a sidechain of the Bitcoin blockchain powered by merge-mining. The platform facilitates secure bitcoin trading and lending via audited smart contracts, secure oracles, insurance funds for undercollateralized loans, and open-source codes. It is governed by its community.

Multis

Seed Round in 2020
Multis, Inc., established in 2006 and headquartered in San Francisco, specializes in providing crypto banking services for businesses and entrepreneurs. Its core offering is a user-friendly wallet that facilitates crypto storage, payments to suppliers, payroll management, and interest earning. The platform also provides real-time balance monitoring, transaction tracking, multi-access to assets, recurring payments, fund transfers, trading, and crypto-to-cash conversion. Multis aims to empower the next generation of professionals in the open financial world by building a robust financial infrastructure for web3 organizations.

Zero Hash

Series C in 2020
Zero Hash LLC is a B2B embedded infrastructure platform that facilitates the seamless integration of digital assets into customer experiences for various businesses. Founded in 2017 and based in Chicago, Illinois, the company provides comprehensive post-trade settlement services, including the storage of digital assets, settlements, institutional custody, and compliance with regulatory requirements. Its offerings encompass a money transmitter platform and an API that simplifies access to digital asset services. Zero Hash caters to a diverse clientele, including neo-banks, broker-dealers, and payment service providers, allowing them to offer digital asset trading, custody, and related products. By managing backend complexities and compliance, Zero Hash enables clients to focus on developing user-friendly crypto products, thereby broadening access to digital assets across various markets.

Vega Protocol

Seed Round in 2019
Vega is a technology protocol and crypto-asset for an open, blockchain-backed public network for fully automated end-to-end financial product trading and execution. Fully automated processes and incentives for trading margined financial products allow for markets that are open and decentralized, with pseudonymous participants. The platform of the company provides open and fair markets in which fees are shared by market makers, not owners, and governance decisions are made by the community, allowing financial institutions to open access, reduce costs, and enable a new wave of financial market innovation.

Portal

Seed Round in 2019
Tides is a financial services company based in San Francisco, California. Founded in 2018, Tides specializes in trading cryptocurrency without putting coins at risk, all from within a secure and controllable wallet. The company offers a platform that allows users to conveniently trade crypto assets while maintaining security and control over their investments. By leveraging innovative technology, Tides aims to provide a seamless and efficient trading experience for its customers in the ever-evolving cryptocurrency market.

CERE Network

Seed Round in 2019
CERE Network is a blockchain-based company that specializes in developing a customer relationship management (CRM) ecosystem designed for data integration and collaboration. Founded in 2019 and headquartered in San Francisco, California, CERE Network offers a platform that extracts customer data from various monolithic and disparate CRM and customer data platform systems. This platform provides an open micro-services environment that facilitates data collaboration and integration between businesses and vendors. Additionally, CERE Network utilizes blockchain technology to capture the entire customer journey, securely storing key user data such as purchases and achievements in user wallets. The company also introduces its own tokens, which are used for payment within its ecosystem.

Chia Network

Seed Round in 2018
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.

Securitize

Seed Round in 2018
Securitize, Inc. operates a compliance platform designed for the issuance and management of digital securities. Founded in 2017 and based in Redwood City, California, the company facilitates various services for issuers, including digital security issuance, document handling, investor communications, and accreditation. For investors, Securitize offers features such as wallet management, an investor dashboard, and token distribution. The platform also includes support services like fiat and crypto escrow, along with custodial services. Securitize is distinguished as the only SEC Registered Transfer Agent integrated with multiple regulated U.S.-based marketplaces, enabling eligible investors to own, manage, and trade digital securities across sectors like equity, funds, fixed income, and real estate. The company's approach enhances transparency, liquidity, and efficiency in the tokenization process, while also providing KYC/AML and capital management services.

RSK Labs

Venture Round in 2014
RSK Labs Limited, headquartered in Buenos Aires, Argentina, specializes in developing bitcoin-based contract platforms. Its flagship product, RSK, is an open-source smart contract platform that facilitates a two-way peg with Bitcoin. This enables merge-mining, rewarding Bitcoin miners while allowing them to actively participate in the smart contract revolution. The company aims to enhance the Bitcoin ecosystem by facilitating smart contracts, near-instant payments, and higher scalability.
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