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Coldcard发布固件更新：引入手动熵输入与更严交易校验
Coldcard Ships Deeper Security Fix Following Bitcoin Heist
Coinkite's new firmware adds hand-entered entropy and stricter transaction checks to its Coldcard wallets.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力