Top California Blockchain Startups (234)

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.

At Tatum, we believe blockchain is the future, and developing apps on the blockchain should be accessible. Tatum is the fastest way to build, test and run blockchain apps. Supported on over 40+ blockchains, we make you turn your ideas into reality easy and quick.

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...

Frustrations with filing crypto taxes It all started with trying to be compliant when reporting taxes on crypto gains, a nearly impossible task. Our founders envisioned a future where modern API-powered technology automates data ingestion, calculation, and required information and financial reporting. Enable digital assets for the global economy Blockchain, crypto, and tokenized assets are helping modernize financial infrastructure and money movement around...

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,...

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...

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.

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...

Akash Network is a decentralized peer-to-peer marketplace for cloud compute and provides a fast, efficient, and low-cost application deployment solution. Akash Network is the world’s first decentralized and open cloud https://linktr.ee/Akashnet Known as the "Airbnb for Cloud," Akash Network provides a fast, efficient, and low-cost application deployment. Developers leveraging Akash Network can access cloud computing at up to 3x less than the...

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.

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...

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),...

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...

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...

Securitize is a global fintech, Top 50 blockchain company, with a mission to provide investors with access to invest in and trade alternative assets, and for companies to raise capital and offer shareholder's liquidity. Securitize has pioneered a fully digital, regulatory compliant, end-to-end platform for issuing, managing and trading digital asset securities (also known as security tokens), with over 200...

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.

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...

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...

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...

Online reputation management in the Blockchain ecosystem. Expanding online presence for startups and well-recognized companies. Mostly in FinTech, Trading, Blockchain, SaaS niches. Boosting companies to the top 10 of their business categories on review platforms partnered with Google, increasing trust scores for stock trading, wallets, cloud mining, SaaS, mining equipment sellers, ICOs, DeFi, DEX, any blockchain, web3 projects, and startups on...