List of blockchain companies and projects

Cryptocurrency company developing a quantum secure decentralised network for crypotocurrency and blockchain networks.

Coinbase is a digital asset exchange company headquartered in San Francisco, California. It operates exchanges of Bitcoin, Bitcoin Cash, Ethereum, and Litecoin.

Algorand is a company implementing an open source public ledger and cryptocurrency payment system utilizing the Byzantine Agreement message-passing protocol to reach consensus among network participants.

Medicalchain is a blockchain platform for securely storing medical records.

A venture capital firm in New York that focuses on supporting bitcoin and blockchain companies by leveraging insights, network, and access to capital

Swirlds is a distributed ledger platform for distributed applications. Swirlds uses a unique consensus algorithm called hashgraph, developed by Leemon Baird.

Ripple is a global currency exchange and remittance network that aims to lower the cost and improve the speed of international bank transfers relative to legacy financial infrastructure.

TokenPocket is a multi-blockchain wallet.

Lakran is a decentralized blockchain application based on the CryptoNight algorithm

PolySwarm is a decentralized marketplace that runs on a token called Nectar (NCT).

Basic Attention Token (BAT) claims to improve the efficiency of digital advertising by creating a new unit of exchange between publishers, advertisers and users.

Circle is a peer-to-peer payments technology company that is headquartered in Boston, Massachusetts and was founded in 2013 by Jeremy Allaire and Sean Neville.

Dfinity is a decentralized computing network currently in development using blockchain technology and algorithmic governance.

Litecoin (LTC or Ł) is a open source peer-to-peer cryptocurrency forked from Bitcoin by creator Charlie Lee. A key difference from Bitcoin is the decreased block generation time.

Aion or the Aion Network is an open source blockchain protocol built by the Aion Foundation that focuses on solving for scalability and interoperability across blockchains.

Hyperledger is an open source effort by the Linux Foundation to create blockchain related tools and standards.

Blend invites companies that service the mortgage industry to sell digital tools--APIs--through its platform.

Hackers/Founders is based in San Jose, California and it specializes in advisory services.

Bitsequence is a people-powered, universal cryptocurrency platform.

Bluzelle is a decentralized database project for the creation of decentralized applications (dApps).

Zilliqa is a blockchain platform for decentralized applications under development with a focus on sharding to address blockchain scalability.

(Formarly Chain Ph) Company implementing Blockchain, Artificial Intelligence, and Data Analysis to create transparent pharmaceutical industry

A company designing a blockchain platform that aims to improve performance, security and privacy in cloud computing. Their encrypted smart contract platform is called Eikiden. Oasis Labs founders include Dawn Song (CEO), Bobby Jaros (COO), Noah Johnson (CPO) and Raymond Cheng (CTO).

An ecosystem for sharing data and associated services. It provides a tokenized service layer that exposes data, storage, compute and algorithms for consumption with a set of deterministic proofs on availability and integrity that serve as verifiable service agreements.

Dragonchain is a commercial blockchain platform for enterprises. The public/private hybrid Dragonchain blockchain is a platform that offers blockchain as a service (BaaS).