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...
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...
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.
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...
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),...
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.
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.
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...
Lightspark is the easiest, low-cost, most reliable, enterprise-grade way to send and receive payments globally, enabling money to move just like bits and bytes do on the Internet. We're delivering open payments for the Internet at scale, using the Lightning Network. We aim to help businesses around the world benefit from real time payments and build amazing new experiences for...
Megaphone helps you grow your onchain community's GDP. With Megaphone, you can launch tokens and NFTs, collect form responses, analyze onchain reputation and identity, and incentivize quality community actions. We've processed 68M campaign activity completions, 5.5M form responses, and hundreds of thousands of onchain transactions with iconic brands like Coinbase, Forbes, OneFootball, Pudgy Penguins. Talk to us to learn about the secrets of...
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.
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.
Layer N is Ethereum's StateNet—A novel L2 designed as a network of custom and optimized rollup nodes powered by a shared state and liquidity layer.
sFOX is the full-service crypto prime dealer for institutional investors, providing the liquidity, security, and infrastructure needed to unlock the full potential of digital assets.
Copper is a digital asset technology company dedicated to helping institutional investors safely acquire, trade and store cryptoassets. Built and led by Dmitry Tokarev, a software and financial engineering specialist, the firm provides a comprehensive suite of custody, trading and settlement solutions that reduce counterparty risk and bring greater capital and operational efficiency to digital asset markets. At the heart...
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...
