Braiins

Braiins builds a vertically integrated Bitcoin mining stack, spanning mining firmware and operating systems, a top-10 mining pool, and custom mining hardware and ASIC chips. Its flagship product, Braiins OS, was among the first operating systems for Bitcoin mining devices and is developed in Rust; the company describes it as world-class mining firmware used by hundreds of thousands of customers worldwide. The Braiins Mining Pool ranks among the top 10 mining pools. In-house hardware and a proprietary chip round out the stack, designed for simplicity, efficiency and security.

The engineering work covers Rust systems programming, mining device operating system and firmware development, ASIC and semiconductor design, hardware design, mining pool software and security. The company positions its products as having little competition globally at the delivered quality level.

Braiins employs over 120 people and serves a global customer base across Bitcoin mining, cryptocurrency, semiconductor design, mining hardware manufacturing and mining pool services. It has operated since the early days of Bitcoin and stresses long-term stability over short-term startup cycles, with an engineering-first culture built around simplicity, efficiency and security.