ChainSecurity is a cybersecurity company focused on blockchain and cryptocurrency. The role involves auditing complex blockchain projects to find vulnerabilities, working directly with development teams, contributing to and creating security tools w…

Common Prefix is a science-first blockchain consulting company (30-person team) focused on usability, scalability, and interoperability of blockchains. Hiring software engineers and auditors who can solve problems, work on cryptography, consensus, a…

Source is building developer data management solutions for the open web, focusing on edge devices, local-first software, and distributed infrastructures. They enable secure, cryptographically protected data control and communication. The company is …

We are an innovative trading platform focused on enhancing trading efficiency and security for our users. Our platform offers a comprehensive suite of tools for on-chain traders and supports multiple blockchains, including Ethereum, Solana, Base, an…

We're using e voting encryption to bring trust (open source)

BlockFi provides financial services to crypto investors, like interest accounts, loans, and trading. We’ve also launched a hit Bitcoin rewards credit card. In 2021, we closed our Series D funding with a valuation of $3 billion and the company has o…