Ledger SAS is a French company specializing in security devices for digital assets. Based in Paris, with a presence in Vierzon among other locations, it designs physical wallets, or “hardware wallets,” that store the private keys needed to sign transactions. Its website, ledger.com, presents its devices, services and educational resources on how to use them.
A company born at the intersection of cryptography and hardware
Founded in 2014, Ledger initially brought together expertise in embedded security, cryptoassets and entrepreneurship. Éric Larchevêque and Nicolas Bacca are among its co-founders. The company grew around a conviction: protecting private keys requires an environment separate from the computer or phone used every day, which is more exposed to malware.
The Ledger Nano family helped bring this approach to the general public. The company then expanded its work on interfaces with devices such as Ledger Stax, designed with the participation of Tony Fadell, followed by Ledger Flex. These touchscreen products aim to make transactions easier to read and approve, going beyond the secure storage of cryptographic secrets alone.
A hardware wallet at the heart of a software ecosystem
A Ledger device does not contain the cryptoassets themselves: these remain recorded on their respective networks. It protects the keys used to authorize their transfer. Its architecture relies on a secure component and an operating system developed by the company. On-device approval aims to maintain a separation between preparing a transaction and signing it.
Alongside its hardware, Ledger offers a management application and connections to third-party wallets or services. Depending on the assets, partners and territories involved, this environment allows users to view their holdings, make exchanges or access staking, among other functions. The company also develops solutions for organizations that need to oversee the management of their digital assets.
This offering does not eliminate the risks associated with use. A disclosed recovery phrase, a deceptive transaction or a poor understanding of the permissions granted can lead to losses. In 2020, a customer data leak also served as a reminder that hardware security and the security of commercial information are two separate issues.
What now?
For Ledger, the next step depends as much on usability as on technical resilience. Making transactions understandable, helping users regain access and explaining the trade-offs of each service remain key areas of work. Its optional Ledger Recover service, based on a fragmented backup and identity verification, illustrates the debates between ease of use and autonomy.
In a market dependent on cryptoasset cycles, the company will also need to maintain trust through transparency about its security choices. Its trajectory will hinge on its ability to combine hardware protection, clarity of services and user responsibility.