Coldcard strengthens seed generation with firmware update

Coldcard has issued a firmware update aimed at enhancing seed phrase generation, according to a notice from Coinkite. Users are advised to generate new seed phrases as part of this process. Despite these improvements, Coinkite also提醒投资者现有的易受攻击的种子短语仍然存在安全风险，因此不应使用旧的种子短语。