Top Seattle, WA Blockchain Companies (25)

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...

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...

ArcBlock, the world’s first blockchain ecosystem for building and deploying decentralized applications.

The RChain Cooperative is a open-source technology Cooperative who has formed in order to continually design and develop the RChain Platform, a next generation blockchain, designed from the work of Greg Meredith and Mike Stay(among others) on using mobile process calculi for programming the blockchain.

Transparent Systems is transforming financial infrastructure with on-demand settlement solutions. Leveraging cryptographically secured distributed networks, we’re reducing the friction in making and receiving payments. Our goal is to create a more inclusive economy that empowers your business and your money.

Dragonchain is a technology leader in the blockchain space, with security and scalability at the forefront of its operations. We are proudly U.S.-based and part of one of the most technologically rich communities in the country. We help companies break into blockchain faster, without forcing them to change their existing IT infrastructure. As a Blockchain as a Service provider built...

Mythical is a next-generation game technology studio. Mythical Games believes that true ownership of digital assets, verifiable scarcity, and integrated secondary markets will spawn a new generation of games. These new economies, based on digital ownership, will bring players, developers, and content creators closer to the games they love.

Since foundation in 2015, Ambisafe has provided the technological infrastructure for almost a hundred projects, allowing them to launch their tokens, build applications, connect with over 500,000 contributors and raise capital of more than $300M. In 2017, Ambisafe launched Orderbook, the first decentralized trading platform, to enable the sale of cryptocurrency tokens using Initial Exchange Offerings. Orderbook provides KYC, AML, and...

Gemini is a licensed digital asset exchange and custodian. We built the Gemini platform so customers can buy, sell, and store digital assets (e.g., Bitcoin, Ethereum, and Zcash) in a regulated, secure, and compliant manner.

The SHOP CO-OP, the first brand and shopper consortium, is a ethereum based blockchain protocol that supports the free exchange of data across the retail supply chain, spanning suppliers, manufacturers, distributors, retailers, shoppers and logistics providers; the network of parties that make, move, and sell products shoppers enjoy. With the SHOP

Our team is remote-friendly, with a strong presence in Seattle and NYC. Founder Sreeram Kannan was a professor at the University of Washington, and the Head of the UW Blockchain Lab. The first team members came out of that lab. Our culture is characterized by intellectual curiosity, collaborative debate, ownership mentality, integrity, and respect. Our mission is to build coordination engines that...

We are reversing climate change. Nori is a platform that makes it easy to fund carbon removal from the atmosphere. A platform that allows businesses to help repair our planet by removing any carbon emissions they can’t yet avoid creating. We've started with supporting regenerative agriculture projects that store carbon in the soil.

New Alchemy is a strategy and technology advisory group specializing in tokenization on the blockchain.

Prove anything, use anywhere, know always Indicio’s award-winning decentralized identity technology sets the gold standard for seamless, authenticated identity, data, and biometrics. Customers turn to our flagship product, Indicio Proven® to streamline key business operations, reduce complexity and error, mitigate fraud, and manage data compliance. Now you can know who you are interacting with online and make lightning-fast decisions based on instantly...

At Coinme, our goal is to improve the financial lives of everyone by providing easy and ubiquitous access to consumer financial services built on blockchain technology. In order to accomplish this, Coinme is building out the world’s largest physical cash onramp to cryptocurrencies with a mobile-first digital bank-like experience.

A global decentralized engine for blockchain innovators. Bloccelerate is a platform for blockchain products and services to actualize their true potential. Providing them with world class mentoring, go-to market solutions, access to peers, developers pool, academic evaluation and research, access to markets, regulatory compliance and funding necessary for them to succeed.

Irreverent Labs is bringing together a world class team with backgrounds in computer science, machine learning, arts, game development, storytelling and blockchain with one mission: creating games that will outlast any player and become worlds of their own. We believe in the power of player ownership and a play-to-earn economy to create the next stage in human play.

Nodesmith is bringing the benefits of blockchain technology to the masses, by empowering developers to build fast and scalable applications

We are a Stablecoin-as-a-Service (SCaaS) company, providing stablecoin infrastructure and fiat on/off-ramps for blockchain foundations and Web3 applications. The total stablecoin market is $150B+ now but over 95% of blockchain networks lack native stablecoin presence in their ecosystems. Additionally, most Web3 applications on these blockchains don't have good fiat-to-stablecoin gateways, either, with the average fiat on/off-ramp transaction fee for stablecoins running...