Top California Blockchain Startups (232)
Bitcoin is the best money. It should be used like it. We build and fund free, open-source projects aimed at making bitcoin the planet’s preferred currency.
Sei Labs builds open sourced technology for the high-performance Sei Blockchain, the fastest Layer 1 blockchain designed to scale with the industry. The unique optimizations built into Sei enable Web3 applications to reach Web2 level scale and performance, driving the mass adoption of digital assets. The Sei Labs team is comprised of former Google, Goldman Sachs, Robinhood, Nvidia, and Databricks veterans...
We are developing Lightning: an open protocol layer that leverages the power of blockchains and smart contracts to make cheap, fast, private transactions available to anyone around the world.
PIP Labs is a research and engineering company focused on decentralized technologies, intellectual property (IP), and artificial intelligence (AI). As an initial core contributor to the Story Network, PIP Labs develops infrastructure and technical solutions that connect the potential of AI with sustainable ownership models, supporting IP holders, creators, and innovators.
Artemis is building the open data platform for digital finance — organizing and standardizing the metrics that matter for blockchains, tokens and stablecoins, all in one place. Functionally, we offer a “Bloomberg-like” Terminal trusted by Visa, Circle, Tether, Grayscale, VanEck, Franklin Templeton, Solana, Base, and others — alongside Excel plugins, APIs, and Snowflake Data Shares used by some of the world’s...
Halliday is a blockchain company and product lab working to create a unified, cross-chain payments ecosystem. Its flagship product, Halliday Payments, is a unified payments platform that makes it easy for users to onramp, swap, and take other onchain actions. Halliday’s products are built on the Workflow Protocol, which removes the need to code smart contracts by hand and enables...
About the Stellar Development Foundation The Stellar Development Foundation (SDF) is a non-profit organization focused on working with and supporting changemakers to create equitable access to the global financial system through blockchain technology. SDF provides grants, investments, funding, and other awards to builders and organizations. SDF also develops resources and tooling on the Stellar network to help unlock real world utility....
Layer N is Ethereum's StateNet—A novel L2 designed as a network of custom and optimized rollup nodes powered by a shared state and liquidity layer.
Harmony is a fast and scalable blockchain. Harmony recently launched on Binance and shipped Day ONE Mainnet. We are crazily recruiting Rust/Go language enthusiasts, protocol researchers and database hackers. Apply at harmony.one/careers! See https://harmony.one/whitepaper for our latest research and roadmap. Harmony is a fast and secure blockchain with key innovations in state sharding and peer-to-peer networking. Its sharding uses secure proof-of-stake and...
A Web3 social media ecosystem that lets users collaboratively create and monetize digital assets with complete control
SOCKET is the first chain abstraction protocol allowing developers to compose across 1000+ rollups and chains!
Megaphone helps you grow your onchain community's GDP. With Megaphone, you can launch tokens and NFTs, collect form responses, analyze onchain reputation and identity, and incentivize quality community actions. We've processed 68M campaign activity completions, 5.5M form responses, and hundreds of thousands of onchain transactions with iconic brands like Coinbase, Forbes, OneFootball, Pudgy Penguins. Talk to us to learn about the secrets of...
Eluvio is transforming the management, distribution, and economics of premium video for content owners. The Eluvio Content Fabric is a global platform service that enables just-in-time, low-latency content distribution, monetization, and asset servicing directly to consumers. Content is delivered directly from source as on-demand streams, live streams, and dynamic sequences–without the use of separate transcoding services, content delivery networks (CDNs),...
Hivemapper is a decentralized, ever-updating map built by people, using dashcams, who soon will mine our cryptocurrency, HONEY. This new mapping economy represents a fundamental shift in how maps are built and who owns them, sharing the economic benefits of a global map with those who are building it. Forward looking businesses use our Map API.
Gauntlet’s mission is to drive understanding and participation in the financial systems of the future. Building decentralized systems creates new challenges for protocol developers, smart contract developers, and asset holders that are not seen in traditional development and investing. Gauntlet has created a blockchain simulation and testing platform that leverages battle tested techniques from other industries to build financial models...
0G is the largest AI Layer 1 blockchain, purpose-built to power the future of decentralized AI. Its modular architecture separates data storage from data publishing, delivering unmatched scalability, with data throughput of 50 GB/second—50,000x faster and 100x cheaper than competitors. This makes 0G the foundation for high-performance AI applications, scalable L2s, and on-chain autonomous agents. By democratizing access to AI...
Aptos Labs is a people-first blockchain on a mission to help billions of people achieve universal and fair access to decentralized assets in a safe and scalable way. Founded by some of the original creators and maintainers that researched, designed, and built the Diem blockchain to serve this purpose, we have dedicated several years toward this mission. We believe the open-source...
Subzero Labs is the original contributor behind Rialo, the Real World Blockchain. Our team comprises experienced builders and researchers from leading organizations across blockchain infrastructure and hyper-growth products. Collectively, we have contributed to some of the most foundational projects in the ecosystem. Today, we are focused on designing a next-generation blockchain architecture that transcends incremental innovation.
