Top Boston, MA Blockchain Companies (27)

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...

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...

Algorand is building the technology to power the Future of Finance (FutureFi), the convergence of traditional and decentralized models into a unified system that is inclusive, frictionless, and secure. Founded by Turing Award-winning cryptographer Silvio Micali, Algorand developed a blockchain infrastructure that offers the interoperability and capacity to handle the volume of transactions needed for decentralized finance (DeFi), financial institutions,...

VIA helps governments, regulators, and power companies deliver $200Bn in energy every year to more than 100 million customers. VIA’s privacy-preserving analytics software, Trusted Analytics Chain™ (TAC™) reduces the cost and improves the quality of service of electricity transmission and distribution using AI and blockchain technologies. TAC™ (patents pending) is the bridge that securely connects power company data, distributed across...

The Professional Credentials Exchange (ProCredEx) is a digital marketplace for verified professional credentials. Using distributed ledger technology, advanced data science, and machine learning technologies, organizations use ProCredEx to streamline the process of offering and consuming practitioner credentials within a secure, trusted community.

Nebulous builds uncompromising blockchain hardware and software infrastructure for the decentralized internet. This includes Sia, the leading decentralized cloud storage network, and Obelisk, the USA's leading ASIC mining hardware producer.

Attestiv puts authenticity back into photo and media files, utilizing advanced technologies in mobile, AI and blockchain. Attestiv products create new efficiencies, offer unrivaled fraud prevention and maintain interoperability with existing infrastructure.

Reach will enable tens of millions of developers to participate in the blockchain community, rather than only the thousands that participate today, by drastically lowering the barrier to entry into blockchain and drastically raising the productivity of DApp developers. A Decentralized Application that used to take months to develop will be able to be completed in weeks.

Q3 Technologies is a global Managed IT Services provider offering end-to-end custom technology solutions, including software, mobile applications, data and BI, AI led digital transformation, cloud, ERP and CRM, cyber security, and UI/UX services. Our approach to solving our clients’ complex IT problems leverages the most effective and appropriate technology platforms suited for the job, and is driven by a...

Invaluable is the world’s leading online marketplace for fine art, antiques and collectibles. Working with more than 4,000 of the world’s premier auction houses, dealers and galleries, Invaluable helps buyers from 200 countries connect with the things they love. With best-in-class online bidding technology, along with a fixed-price retail platform, Invaluable provides sellers with e-commerce and marketing solutions, as well...

Voatz is on a mission to make it safer and more accessible for people to participate in democracy. Backed by military grade technology, Voatz makes it possible and secure to vote from a smartphone. Voatz can be used in all kinds of voting events, including overseas citizen absentee voting, state political party conventions, town hall meetings, university student government elections, professional...

Patented smart contract engine for blockchain agnostic distributed ledger platform

Breach Insurance is pioneering uncharted territory for the insurance industry by developing, underwriting, and distributing insurance solutions for the growing $2T+ cryptocurrency market. The company has launched a Bermuda-regulated crypto insurance carrier, built a proprietary policy issuance and administration platform, and developed industry-first solutions to insure clients of popular cryptocurrency platforms.

Cyfrin brings world-class smart contract security audits, tools, and education to hundreds of thousands of users, partners, and blockchain protocols. Home to some of the best smart contract security researchers in the market— professionals at Cyfrin come from backgrounds like Chainlink, Alchemy, Aragon, WorldCoin, Microsoft, and Google. We help secure some of the top protocols and organizations in DeFi, combining top...

Flipside enables on-demand analytics for blockchains, driving ecosystem growth and retention. Through a free, open data platform, it enables thousands of analysts to learn, collaborate and compete to solve analytical challenges via structured bounty programs.

Cambridge Blockchain is a blockchain company based in Cambridge, Massachusetts. It specializes in the development of a blockchain ecosystem and the design of enterprise-grade blockchains in different fields.

Jambb is breathing new life into the entertainment industry by seamlessly integrating next-gen blockchain technology into the lives of creators and their audiences. Our fan-focused platform will feature collectible moments, jokes, sets, specials and memorabilia from their favorite stars and performances. Engaged users will have the opportunity to interact directly with their comedy-crush, or the upcoming-superstar they've been collecting before...

Blockcerts is an open standard for creating, issuing, viewing, and verifying blockchain-based certificates. These digital records are registered on a blockchain, cryptographically signed, tamper-proof, and shareable. The goal is to enable a wave of innovation that gives individuals the capacity to possess and share their own official records. We invite feedback, contributions, and general discussion.

Panoptic is a novel Ethereum blockchain-based options trading protocol that is perpetual, oracle-free and offers instant-settlement. Panoptic aims to develop a trustless, permissionless, and composable options product, i.e., to do for decentralized options markets what x*y=k automated market maker protocols did for spot trading. This is made possible by allowing options trading to occur on top of any asset pool...