Top California Blockchain Startups (227)
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.
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.
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...
Sweatcoin is a health and fitness app that rewards users for their steps with a currency called Sweatcoin, which can be spent on rewards, donated to charity, or converted into $SWEAT.
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...
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...
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AI expert that understands your codebase, as an API. Greptile can review your pull requests, answer questions about your codebase, write descriptions for JIRA tickets and more.
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...
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...
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...
Together Labs redefines social networking by pairing blockchain innovation with technologies that empower users across the globe to connect, create and earn in the metaverse. The Together Labs portfolio of products include: IMVU, the world’s largest friendship discovery and social metaverse platform; WithMe, a mobile metaverse platform now in open beta built on insights from the science of friendship; and...
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.
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.
The first and most experienced company in bitcoin payments, BitPay builds powerful tools for spending, accepting, and building with bitcoin. The company has offices in North America, Europe, and South America and has raised over $70 million from top investors including Index Ventures, Aquiline Technology Growth, Menlo Ventures, Founders Fund, and Sir Richard Branson.
Courtyard.io leverages blockchain and NFTs to transform the way physical assets are collected and traded.
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...
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...
