There have been recent offline phishing scams targeting Ledger hardware wallet users. The scammers ask victims to verify the mnemonic through postal letters. On April 29, technology commentator Jacob Canfield exposed a fake "Ledger Security Update Notification" letter on the X platform, which contained a QR code with a brand logo and induced users to enter a 24-word recovery phrase. Ledger officials responded immediately and stressed: "We will never ask for mnemonic words in any way". This fraud...