Group 1 - Ledger, a French hardware wallet designer, is planning an initial public offering (IPO) in the United States, potentially valuing the company at over $4 billion [1] - The IPO could occur as soon as this year, although the exact timing is still uncertain [1] - Ledger has engaged investment banks Goldman Sachs, Jefferies, and Barclays to manage the IPO transaction [2] Group 2 - Founded in 2014, Ledger last raised significant funding in 2023, achieving a valuation of $1.5 billion [3] - The company is part of a growing trend of cryptocurrency firms entering public markets, with BitGo recently listing on the NYSE and raising $212 million at a $2.1 billion valuation [3] - Other notable cryptocurrency firms, including Circle, Gemini, and Bullish, completed their listings in the United States last year [3]