Top California Cryptocurrency Companies (98)

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...

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.

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...

Worldcoin is a new, decentralized global currency that will be distributed fairly to as many people as possible. Worldcoin will launch by giving a free share to everyone on Earth. We believe that this is an essential step to accelerate the transition towards a more inclusive global economy, providing new ways for everyone to share future prosperity.

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...

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...

Courtyard.io leverages blockchain and NFTs to transform the way physical assets are collected and traded.

Phantom is the crypto app for everyone. Millions of investors, traders, collectors, and even celebrities, choose Phantom to explore web3. Why? Because we make it safe and easy. With our friendly wallet, you can buy and hold the top cryptocurrencies, trade the hottest memecoins, create and collect NFTs, and build your digital asset portfolio—all in one place. Want to try it out?...

Build and run custom agents across your IDE, terminal, and CI

0x is developers’ one-stop shop to build financial products on crypto rails. Hundreds of developers use 0x tools to enable faster trading, better prices and superior UX. Our suite of APIs has processed over 52 million transactions and $125B in volume from more than 6 million users trading on apps like Coinbase Wallet, Robinhood Wallet, Matcha, Metamask, Zerion, Zapper, and...

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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.

Reserve’s mission is to Increase adoption of & expand access to sustainable, inflation proof, stable currency. Reserve is a free, permissionless platform on Ethereum mainnet to build, deploy and govern asset-backed currencies referred to as “RTokens.” RTokens are always 1:1 asset-backed, allowing for permissionless minting and redeeming on-chain by users without the need for any middlemen. Overcollateralization is provided by RSR...

Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. Bullish services are regulated in the United States, European Union, United Kingdom, Hong Kong, and Gibraltar. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market...

Our mission is to facilitate your journey into Bitcoin, the future of money. Protect your wealth with savings plans, instant buys from $10 to $10M+, Private Client services for HNWI’s, Retirement Planning, Advisor Services, and Swan for Businesses

Blockdaemon is the leading independent blockchain node infrastructure to stake, scale, and deploy nodes with institutional-grade security and monitoring. Supporting 40+ cutting edge blockchain networks in the cloud and on bare metal servers globally, Blockdaemon is used by exchanges, custodians, crypto platforms, financial institutions and developers to connect commercial stakeholders to blockchains. We power the blockchain economy by simplifying the...

Dialectic is a machine that solves cyphers to unlock exceptional value for our members. We have built a unique architecture and a suite of proprietary tools that offer thoughtful risk-adjusted exposure to alternative assets, supported by an extraordinary group of globally distributed crypto-natives.