Our history Ledger was launched in 2014 by eight experts with complementary backgrounds in embedded security, cryptocurrencies and entrepreneurship, united around the idea of creating secure solutions for blockchain applications. We now have over 130 employees in Paris, Vierzon and San Francisco.

Our unique technology We developed a distinctive operating system (OS) called BOLOS, which we integrate either to a secure chip for the Ledger wallet line, or to a Hardware Security Module (HSM) for various enterprise solutions. So far, Ledger has been the only player in the market to provide this technology.