Founded in 2014, Ledger is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. Headquartered in Paris, Vierzon and San Francisco, Ledger has a team of 62 professionals developing a variety of products and services to safeguard cryptocurrency assets for individuals and companies – including the Ledger hardware wallets line already sold in 165 countries.   Thales and Ledger have partnered to create an enterprise grade solution for secure cold storage based on Thales ProtectServer Hardware Security Modules (HSM) and Personal Security Devices (PSD). This solution enables multi-currency and multi-signature authorization wallet management, without any limitation of the number of accounts or addresses, and with a full customization of signature policies for each account. Securing Blockchain with Ledger and Thales HSMs Solution Brief Thales Network Hardware Security Modules​​ Thales Three Steps to Securing Data in any Cloud Environment Whitepaper