Top California Blockchain Startups (226)
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.
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.
At Zerion, we are on a mission to empower more people around the world with efficient, transparent, and censorship-resistant financial services. We do this by building applications, tools, and infrastructure enabling any smartphone holder, anywhere in the world, to build and manage their decentralized finance (DeFi) portfolios. The company was founded in 2016 by a technical team of crypto-native builders...
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.
It all started with a challenge. We were enthralled by blockchain technology and its potential to change everything on the internet, but saw that it was hampered by terrible performance. We recognized pretty early on that just attempting to make a single faster blockchain wasn’t the best solution. To truly reach web-scale on Ethereum, we would need to scale horizontally. In...
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.
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...
Trust Wallet. A simple and secure mobile wallet for that supports 60+ blockchains and over 1 million assets. We provide a fully security audited system that makes it simple to store your cryptocurrency. Trust applications, designed for iOS and Android, provide the best possible experience and ease of use.
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...
A Web3 social media ecosystem that lets users collaboratively create and monetize digital assets with complete control
Goldsky gives developers the tools they need to build powerful Web3 dApps faster. Realtime blockchain indexing, instant subgraphs, and flexible data streaming pipelines make it easy to unlock the full potential of onchain data. Building accurate, realtime data infrastructure is hard. Goldsky streamlines complex engineering challenges so that developers can focus on what matters most — building transformational applications and...
Quest Global technologies is an award winning company which works on Blockchain, Salesforce, ERP Implementation, Mobile App Development, Website Development and Custom Software Development. Quest Global Technologies works on a mission of increasing the sales and decreasing operational cost with the help of digitization. With a team of 50+ strong people across US, Romania, Canada, Australia and India, the company...
ZetaChain is building the first fully interoperable, decentralized, and universal blockchain — one universal chain to manage all chains. For those new to crypto: Think of ZetaChain as the “internet of blockchains.” Just like the internet connects websites and services so they can talk to each other, ZetaChain connects different blockchains — which are normally isolated — so apps and users...
The crypto world is changing—we’ve seen an explosion in innovation but a fragmentation of tools. Today, traders navigate a low visibility landscape, handling multiple chains, scattered data, and many marketplaces. Now, trading tooling has shifted towards consolidation. Users demand a simple solution that effortlessly weaves their favorite decision-making software and maximum liquidity into one elegant interface. Kinetic is developing a...
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...
Azra Games believes that the childhood experience of bashing, smashing, and storytelling with your favorite toys in unhinged and imaginative play is the purest form of gaming. We are on a mission to recapture that freedom for the modern era with kickass collectibles and combat RPGs powered by Web3 technology. LFG! We are both gamers and crypto natives. Founded by virtuoso...
Trojan builds client-centric trading tools which cater across the gamut, from new users to professional traders. Since launch, we’ve processed $30b in trading volume and attracted over 3 million users. Unique among competitors, our architecture is built from the ground-up to be the fastest and most accurate on the market. Trojan’s mission is to bring the centralized exchange trading experience, but...
Blockstream’s mission is to create the financial infrastructure of the future. We build crypto-financial infrastructure based on Bitcoin, the most robust and secure blockchain. Applying cutting-edge cryptography and security engineering, we’re building the products and networks that make financial markets more efficient by reducing reliance on trust. With a long term outlook on delivering robust and scalable solutions, we invest...

































