Top California Blockchain Companies (280)
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...
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...
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...
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.
Nium is an advanced payments platform redefining the way consumers and businesses send, spend, and receive funds across borders. Nium’s goal is to make the movement of money seamless through being a universal plug for financial services. The company uses agile, elegant, and modular solutions for complex business problems. Be it an Individual, new-age digital bank, or a traditional industry...
Baton Corporation is the development company that builds and operates the technology stack behind pump.fun, the largest memecoin launchpad in production today. They develop and maintain blockchain platforms, including pump.fun, on behalf of third parties.
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...
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.
stakefish is the leading validator for Proof of Stake blockchains. With support for 10+ networks, our mission is to secure and contribute to this exciting new ecosystem while enabling our users to stake with confidence. Because our nodes and our team are globally distributed, we are able to maintain 24-hour coverage.
It’s rare that a new asset class is born. Nevertheless, we’re witnessing exactly that with the rise of crypto. Over just the last few years, since Bitwise was founded, crypto has evolved from an embryonic $50B market to a growing $3T+ juggernaut. At Bitwise, we believe that crypto has reached a turning point, and is headed north of $10T over...
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...
Headquartered at San Francisco and founded in 2007, LeewayHertz is one of the first few companies to build and launch a commercial app on Apple's App Store. Our team of certified designers and developers has designed and developed more than 100 digital platforms on Mobile, Cloud, AI, IoT and Blockchain. At LeewayHertz, we have developed digital solutions for Fortune 500 companies...
CleanSpark (NASDAQ: CLSK) is America's Bitcoin Miner ™. Since 2014, we've helped people achieve energy independence for their homes and businesses. In 2020, we transitioned that expertise to develop sustainable infrastructure for Bitcoin , an essential tool for financial independence and inclusion. We strive to leave the planet better than we found it by sourcing and investing in low-carbon energy,...
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...
SOCKET is the first chain abstraction protocol allowing developers to compose across 1000+ rollups and chains!
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),...
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...
Blockchain.com is connecting the world to the future of finance. We are the most trusted and fastest growing crypto company, helping millions across the globe – from single individuals to the largest institutions – have an easy and safe way to buy, sell and store cryptocurrency. Known as the world's most popular crypto wallet, Blockchain.com is on a path to revolutionizing...









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