Top San Francisco, California Blockchain Companies (6)

Blockchain Labs is one of the leading providers of blockchain technology solutions. We have built and operated COOV, South Korea's national blockchain-based COVID-19 vaccine passport that serves more than 43 million users and processed over 30 million verifications per day - this is by far the biggest and the most successful blockchain service that people were able to use. Our...

At Futureswap, you will help build a modern, transparent, and open financial protocol for the 21st century to disrupt the legacy multi-trillion dollar derivatives market. We're looking for people who are excited about democratizing finance and creating distributed systems that work at scale. We've developed an Ethereum-based protocol for traders and yield seekers, designed from the beginning to be user-owned and...

Sock is a mobile finance app that combines the simplicity of centralized exchanges with the safety and security of knowing you’ll never lose access to your funds.

The blockchain integrated platform for creating Profiles, starting Conversations and engaging Connections - All with simple tools, on your own Domains. Hosting millions of Profiles, Contacts and Conversations for independent thinking businesses around the world. Founded in San Francisco in 2007. PeopleBrowsr has earned Over $15 million in revenue from strategic US government departments, major banks, Top Level Domains and...

Stampery relies on the bitcoin blockchain to generate reliable and unspoofable proof of ownership, proof of existence and proof of integrity at a minimum cost. The blockchain is a distributed and decentralized system, and thus the proof is verifiable any time by any independent third party.

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.