Top California Blockchain Companies (274)
Block, Inc. is a global technology company with a focus on financial services. Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the...
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...
Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic app, bringing a better way to send, spend, invest, borrow and save to our millions of monthly active users. With a mission to redefine the world's relationship with money by making it more relatable, instantly...
Alchemy powers the top blockchain companies globally and has been featured in TechCrunch, Forbes, Bloomberg, and elsewhere. Our mission is to bring web3 to a billion people, by providing builders with the tools they need to build exceptional onchain products. Alchemy is the only complete developer platform that offers the powerful APIs, SDKs, and tools necessary to build and scale onchain...
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.
Ripple provides one frictionless experience to send money globally using the power of blockchain technology. By joining Ripple’s growing global network, financial institutions can process their customers’ payments anywhere in the world instantly, reliably and cost-effectively. Banks and payment providers can use the digital asset XRP to further reduce their costs and access new markets. Founded in 2012, Ripple's vision...
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...
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),...
Polychain invests in protocols and companies in the blockchain space, advancing the global adoption of cryptocurrencies.
Paystand's on a mission to create a more open financial system, starting with B2B payments. Using blockchain and cloud technology, we pioneered Payments-as-a-Service to digitize and automate the entire cash lifecycle. Our software makes it possible to digitize receivables, automate processing, reduce time-to-cash, eliminate transaction fees, and enable new revenue.
Tempo is a purpose-built, layer 1 blockchain for payments, developed in partnership with leading fintechs and Fortune 500s. With support for all major stablecoins, Tempo enables high-throughput, low-cost global transactions for any business use case.
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...
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...
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....
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...
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...
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.
