Ledger, the hardware wallet manufacturer, has appointed John Andrews, a former Circle executive, as its new Chief Financial Officer. Andrews, who previously led Capital Markets and Investor Relations at Circle, will be instrumental in preparing Ledger for a potential initial public offering (IPO). However, he noted that the IPO might face delays due to current market volatility.In addition to the new CFO appointment, Ledger is expanding its U.S. presence by opening an office in New York. This move is part of the company's strategy to strengthen its operations in the American market.