钢铁密码Steel Password. 专为加密货币用户设计，以2.7mm加厚304不锈钢板为载体，尺寸如名片般便携（86mm×54mm），表面镜面抛光工艺，兼顾金属质感与耐用性。通过BIP39标准中的单词顺序将助记词转化为数字编码，通过自动中心冲子精准打点，数据永久固化，隔绝黑客与物理损坏风险。
核心价值：
百年防护 ：耐高温、抗腐蚀，防火防水，抗压耐摔，极端环境仍可有效复原资产。
传承无忧 ：无电子痕迹，物理离线保存，支持家族财富代际传递。
简单实用 ：赠送自动中心冲、纸质助记词卡、Bitcoin纪念币、纸质BIP39数字字典，离线查询，3分钟完成加密存储。
包装清单 ：SteelPassword钢板×1、自动中心冲子×1、BIP39数字词典×1、纸质助记词卡片×5、Bitcoin纪念币×1、使用说明书×1。

Steel Password. Designed for cryptocurrency users, it uses a 2.7mm thick 304 stainless steel plate as the carrier, with a portable business-card size (86mm x 54mm). The mirror-polished surface balances metal texture and durability. Based on the word order in the BIP39 standard, the seed phrase is converted into numerical codes and precisely marked with the automatic center punch, permanently fixing the data offline and reducing hacker and physical damage risks.
Core Value:
Century-Long Protection: High-temperature resistant, corrosion-resistant, fireproof, waterproof, crush-resistant, and drop-resistant, allowing assets to be recovered even after extreme conditions.
Worry-Free Inheritance: No electronic trace, stored physically offline, suitable for intergenerational family wealth transfer.
Simple and Practical: Includes an automatic center punch, paper seed phrase cards, Bitcoin commemorative coin, and paper BIP39 numerical dictionary for offline lookup, enabling encrypted storage in about 3 minutes.
Packaging List: SteelPassword plate x1, automatic center punch x1, BIP39 numerical dictionary x1, paper seed phrase cards x5, Bitcoin commemorative coin x1, user guide x1.