Odaily Planet Daily News Hardware wallet manufacturer Ledger has sold more than 7 million devices and currently manages about 20% of the world's crypto assets, worth about $400 billion. Ledger CEO Pascal Gauthier said the company is expanding from cryptocurrency security to the broader field of network security. The Security Key app launched in September this year has entered the authentication market, which is expected to reach $40 billion by 2030. It is worth noting that Ledger has completed a total of $600 million in financing, including a $380 million Series C financing with a valuation of $1.5 billion in 2021, and an additional $108 million in financing at the same valuation in early 2023. (Forbes)