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Top San Francisco Bay Area, CA Blockchain Companies (55)

Blockchain • Information Technology • Software • Cryptocurrency • Web3
San Francisco
200 Employees

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 apps and rollups. Our infrastructure powers 70% of the top web3 teams, 90%+ of web2 companies building in web3 and 100+ million end users. Our customers include top web3 brands like Polymarket, OpenSea, Circle, WorldCoin, as well as major global brands like Shopify and Adobe. The Alchemy team draws from decades of deep expertise in massively scalable infrastructure, AI, and blockchain from leadership roles at leading companies and universities like Google, Microsoft, Facebook, Stanford, and MIT. We're backed by the world's leading VCs and institutions, including Lightspeed, Silver Lake, a16z, Coatue, Pantera, Addition, Stanford University, Coinbase, and Charles Schwab, among others.


Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Oakland, California, USA
12,000 Employees

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.


Blockchain • Fintech • Mobile • Payments • Software • Financial Services
San Francisco, California, USA
3,500 Employees

It all started with an idea at Block in 2013. 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 available and universally accessible, at Cash App you'll have the opportunity to make a real-world impact with your career.


Blockchain • Internet of Things • Cryptocurrency • NFT • Web3
Palo Alto, California, USA
135 Employees

Aptos Labs is a people-first blockchain on a mission to help billions of people achieve universal and fair access to decentralized assets in a safe and scalable way. Founded by some of the original creators and maintainers that researched, designed, and built the Diem blockchain to serve this purpose, we have dedicated several years toward this mission. We believe the open-source Diem technology we have developed is an important foundation of a safe and scalable web3 world where everyone has more equitable opportunities to grow and access financial assets with lower fees and fewer intermediaries.


Blockchain • Information Technology
San Francisco, California, USA
58 Employees

0x Labs is an organization focused on creating new markets in the 0x ecosystem.


Blockchain • Software
San Francisco, California, USA
22 Employees

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.


Blockchain • Fintech • Payments • Software • Financial Services
San Francisco, California, USA
355 Employees

Anchorage Digital was founded in 2017 to advance institutional participation in digital assets. With an emphasis on security and usability, we provide the technology, infrastructure, and tools that make it easy for institutions across the world to participate in crypto. Our team brings together the brightest minds from security, finance, and distributed systems to build the infrastructure of a new financial system. We’re looking to diversify our team with people who are humble, creative, and eager to learn.


Blockchain

We're a full-service blockchain lab with over a decade of experience. Trust an expert team to turn your concept into a complete decentralized product. Innovative ideas need an experienced advisor. We’re your full-service partner for transforming your blockchain concept into a complete decentralized product.


Blockchain
6 Employees

HashRabbit provides safe and reliable digital asset mining by operating enterprise-grade facilities for institutional clients. The company was incorporated in 2014 and is based in San Mateo, California.


Blockchain • Gaming • Mobile • Software • Cryptocurrency • Web3 • App development
San Francisco
70 Employees

We specialize in blockchain development services that revolutionize industries and streamline processes. Leveraging the power of decentralized technology, we provide cutting-edge solutions tailored to meet the unique needs of our clients. Our team of experienced developers is proficient in blockchain protocols, smart contract development, decentralized applications (DApps), and tokenization. Whether you're looking to enhance transparency, increase security, or optimize efficiency, we have the expertise to bring your vision to life. From conceptualization to deployment, we work closely with our clients to understand their requirements and deliver innovative solutions that drive tangible results. Whether you're a startup exploring the potential of blockchain or an established enterprise seeking to integrate this transformative technology, we're here to guide you every step of the way. At [Your Company Name], we're not just building applications but shaping decentralized ecosystems' future. Join us on the journey towards a more transparent, secure, and efficient tomorrow with blockchain technology.


Blockchain • Internet of Things • Payments • Cryptocurrency • Web3
Fully Remote, USA
550 Employees

Chainlink Labs is the leading provider of secure and reliable Web3 services that have enabled trillions of dollars in transaction value across DeFi, insurance, gaming, NFTs, and other major industries. Chainlink Web3 services enhance smart contracts by connecting them to real-world data sources and off-chain computation across any blockchain and provide global enterprises with a universal gateway to all blockchains. Chainlink Labs is dedicated to the development and integration of Chainlink as the industry-standard Web3 services platform connecting the world to blockchains. At Chainlink Labs, we empower the broader Chainlink community and build world-class Web3 solutions with global enterprises such as AWS, Google, T-Systems, and leading development teams at the forefront of the smart contract ecosystem, including Aave, Compound, Synthetix, GMX, and many more. Through a fusion of cutting-edge academic research and an industry focus on user needs, our mission is to enable the next generation of smart contracts and build a world powered by truth.


Blockchain
227 Employees

The Bitfury Group is the world’s leading full-service blockchain technology company. Bitfury is building solutions for the future, with the most significant technologies of the millennium. Our mission is to make the world more transparent and trusted by innovating at every level of technology – hardware, security, and software – to put trust back into the equation. Founded in 2011, Bitfury is the leading security and infrastructure provider for the Bitcoin Blockchain. In addition to securing the Bitcoin Blockchain, Bitfury also designs and produces innovative hardware that keeps cryptocurrencies and blockchains secure, including custom semiconductor chips and mobile datacenters. Bitfury is also a software provider for the some of the world’s most cutting-edge applications through its private blockchain framework, Exonum, its advanced analytics platform Crystal Blockchain, and its specialized engineering team for the open-source Lightning Network, LightningPeach. To learn more, visit www.bitfury.com.


Artificial Intelligence • Blockchain • Internet of Things • Software • App development • Conversational AI • Generative AI
Carlsbad, California, USA
450 Employees

A3Logics is a leading IT solutions provider known for its expertise in leveraging cutting-edge technologies such as Artificial Intelligence (AI), Blockchain, and the Internet of Things (IoT). We deliver end-to-end solutions that address the most complex business challenges. We do this by combining innovative thinking with robust technological capabilities. Our extensive portfolio includes product engineering, educational software development, custom software solutions, software testing, maintenance, and re-engineering services. With a strong focus on security, compliance, scalability, and impactful results, A3Logics empowers businesses to optimize operations, enhance productivity, and achieve unparalleled growth. At A3Logics, we adopt a customer-centric approach. We combine deep industry insights with advanced technological expertise to develop tailored solutions that drive innovation and create measurable value. By embracing the latest trends in AI, Blockchain, IoT, and other transformative technologies, we help our clients stay ahead of the curve. From concept to execution, we work collaboratively to ensure seamless delivery and long-term success. Establishing A3Logics as a trusted partner for businesses worldwide.


Blockchain
115 Employees

Abra is an all-in-app where you can buy, sell, and hold 30 cryptocurrencies, 50 fiat currencies, and the first of its kind crypto index (the BIT10). Our vision is an open, global financial system that is easily accessible by everyone, everywhere. Founded in 2014 by Bill Barhydt, serial entrepreneur and global mobile-banking veteran, our team is based in Silicon Valley and committed to forever changing how the world moves money. And we're hiring: http://bit.ly/AbraCareersLICP


Blockchain • Digital Media • Fintech • Greentech
10 Employees

Flow Labs is a venture backed stealth blockchain startup working on NFT platform.


Blockchain

NuCypher is an encryption company that builds privacy-preserving cryptography infrastructure.


Blockchain
32 Employees

Securitize is a compliance platform and protocol for issuing and managing digital securities on the blockchain, including dividends, distributions, and share buy-backs. Securitize’s innovative Digital Securities Protocol (DS Protocol) enables seamless, fully compliant trading across multiple markets simultaneously. Securitize actively partners with


Blockchain • Cannabis • Marketing Tech • Consulting • Financial Services
Fully Remote, USA
6 Employees

Rapidly scale your startup with fast experimentation and deep marketing expertise. Crescendo consulting provides marketing services to Fintech, Finance, Crypto, Web3.0, and Cannabis startups. We're laser focused on scaling startups. We offer SEO, content development, email marketing, social media marketing, and paid marketing services. We've worked with everyone from pre-seed and bootstrapped startups to Series-D billion dollar companies.


Blockchain
45 Employees

Building a privacy-first, high performance cloud computing platform on blockchain.


Blockchain • Fintech • Payments
San Francisco, California, USA
713 Employees

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 behemoth, Nium prides itself on creating financial infrastructure for every level of sophistication. Nium’s key solutions: • Pay-ins • Pay-outs • Card issuance • Banking-as-a-service • Crypto-as-a-service We are a global leader in B2B modern money movement • Launched the world’s first global platform for crypto-as-a-service • $280M Funding • Series D • $2B Valuation o 130+M End customers o 190+ Payout markets o 100+ Supported currencies • Named on CB Insight’s Fintech 250 List • Financial Times’ List of Asia-Pacific High-Growth Companies 2021 • Fintech Employer of the Year’ at the 2021 Singapore Fintech Festival • Best B2B Payment Platform’ at the 2021 Future Digital Awards