气隙隔离 · 冷存储 · 防拆自毁Air-Gapped Cold Storage · Anti-Tamper · BIP-39 Compatible

PayPal USD (PYUSD) 的最佳硬件钱包Best Hardware Wallet for PayPal USD (PYUSD)

PayPal USD 是由 PayPal 推出的合规稳定币，由 Paxos Trust Company 发行和托管，完全符合监管要求。Keystone 硬件钱包通过气隙隔离技术，确保你的 PYUSD 私钥完全离线，为你的稳定币持仓提供企业级安全保护。PayPal USD is a compliant stablecoin launched by PayPal, issued and custodied by Paxos Trust Company, fully meeting regulatory requirements. Keystone hardware wallet ensures your PYUSD private keys are completely offline through air-gapped isolation, providing enterprise-grade security for your stablecoin holdings.

获取 KeystoneGet Keystone

关于 PayPal USD (PYUSD)About PayPal USD (PYUSD)

PayPal USD

PayPal USD 旨在利用稳定币为支付带来的机会，由美元存款、短期限美国国债和类似现金等价物 100% 支持。PayPal USD 可按 1:1 兑换美元，由 Paxos Trust Company 发行。PayPal USD is designed to contribute to the opportunity stablecoins offer for payments and is 100% backed by U.S. dollar deposits, short-term U.S Treasuries and similar cash equivalents. PayPal USD is redeemable 1:1 for U.S. dollars and is issued by Paxos Trust Company.

如何使用 Keystone 硬件钱包确保 PYUSD 安全？How to Secure Your PYUSD with Keystone Hardware Wallet?

Keystone 硬件钱包通过气隙隔离技术为你的 PYUSD 提供企业级安全保护。设备完全离线运行，私钥永不触网，有效防止黑客远程攻击和恶意软件威胁。Keystone hardware wallet provides enterprise-grade security for your PYUSD through air-gapped isolation technology. The device runs completely offline with private keys never touching the internet, effectively preventing remote hacker attacks and malware threats.

Step 1
1

购买 KeystonePurchase Keystone

访问官方商城 keyst.one/shop 选择适合你的设备Visit official store keyst.one/shop to choose your device

Step 2
2

连接软件钱包Connect to Software Wallet

通过 QR 码将 Keystone 与 Software Wallet 连接Connect Keystone to your Software Wallet via QR codes

Step 3
3

安全守护 PYUSDSecure Your PYUSD

开始安全地管理、发送和接收你的 PYUSDStart managing, sending and receiving your PYUSD securely

为什么选择 KeystoneWhy Choose Keystone

Air-Gapped

气隙隔离Air-Gapped

Keystone 通过二维码与网络设备进行数据传输，私钥始终离线存储于设备内，不接触互联网。同时用户可检验传输内容，从而显著降低远程攻击与中间人攻击风险。Keystone uses QR codes to transfer data with networked devices while keeping private keys stored offline inside the device, never touching the internet. Users can also verify the transmission content, significantly reducing risks of remote attacks and man-in-the-middle attacks.

Open Source

完全开源Open Source

Keystone 的固件代码与电路设计均开源，用户和社区可对其进行审计与验证，有助于发现并减少潜在安全漏洞，提升整体安全性。Keystone's firmware code and circuit design are both open source, allowing users and the community to audit and verify them, helping to discover and reduce potential security vulnerabilities and improve overall security.

3 Recovery Phrases

支持3套助记词3 Recovery Phrases

Keystone 支持在一台设备中生成和管理 3 套助记词，帮助用户进行资产分层隔离，同时减少多设备成本。Keystone supports generating and managing 3 sets of recovery phrases on a single device, helping users with asset tiering and isolation while reducing the cost of multiple devices.

Anti-Tamper

防拆自毁设计Anti-Tamper

Keystone 内置防拆机制，当设备检测到异常拆解等行为时，会触发数据擦除，防止私钥或用户数据被提取。Keystone has built-in anti-tamper mechanisms that trigger data erasure when the device detects abnormal disassembly or other suspicious activities, preventing extraction of private keys or user data.

No Blind Signing

交易解析防盲签No Blind Signing

Keystone 配备 4 英寸屏幕，在签名前对交易进行解析并展示关键信息，用户可逐项核对后再确认签名，从而降低盲签风险，并减少恶意授权或欺诈交易的可能。Keystone is equipped with a 4-inch screen that parses transactions and displays key information before signing. Users can verify each item before confirming, reducing blind signing risks and the possibility of malicious authorization or fraudulent transactions.

选择你的加密守护装备Choose Your Crypto Security Gear

Keystone 3 Pro

Keystone 3 Pro

$149
4英寸触摸屏4" Touchscreen 指纹解锁Fingerprint 交易解析TX Preview 防拆自毁Anti-Tamper
了解更多Learn More
Keystone Tablet Plus

Keystone Tablet Plus

$69
高等级不锈钢Premium Steel 独立槽位Letter Slots 防火防水Fire & Water Resistant
了解更多Learn More

常见问题Frequently Asked Questions

PayPal USD (PYUSD) 是什么？What is PayPal USD (PYUSD)?+
PayPal USD 是由 PayPal 推出的美元稳定币，100% 由美元存款、短期限美国国债和现金等价物支持。由 Paxos Trust Company 发行和管理，可按 1:1 兑换美元。它旨在将稳定币的优势带入主流支付场景。PayPal USD is a USD stablecoin launched by PayPal, 100% backed by USD deposits, short-term US Treasuries and cash equivalents. Issued and managed by Paxos Trust Company, redeemable 1:1 for USD. It aims to bring stablecoin benefits to mainstream payment scenarios.
PYUSD 与其他稳定币有什么区别？What is the difference between PYUSD and other stablecoins?+
PYUSD 的主要优势：1) 由 PayPal 这一主流支付平台推出，拥有庞大用户基础；2) 由受监管的 Paxos Trust 托管；3) 与 PayPal 生态系统深度整合，可在 PayPal 平台上直接使用。PYUSD's main advantages: 1) Launched by PayPal, a mainstream payment platform with a large user base; 2) Custodied by regulated Paxos Trust; 3) Deeply integrated with the PayPal ecosystem, directly usable on PayPal platform.
如何安全存储 PYUSD？How to securely store PYUSD?+
存储 PYUSD 最安全的方式是使用硬件钱包。硬件钱包将私钥存储在安全芯片中，完全与网络隔离。Keystone 支持所有 ERC-20 代币包括 PYUSD，可通过 QR 码与 MetaMask 等钱包连接，在保持私钥完全离线的同时管理你的 PYUSD。The safest way to store PYUSD is using a hardware wallet. Hardware wallets store private keys in a secure chip completely isolated from the internet. Keystone supports all ERC-20 tokens including PYUSD, and can connect to wallets like MetaMask via QR codes, managing your PYUSD while keeping private keys completely offline.
PYUSD 的储备是如何管理的？How is PYUSD's reserve managed?+
PYUSD 由 Paxos Trust Company 管理，储备包括美元存款、短期限美国国债和类似现金等价物。Paxos 提供定期储备审计和透明度报告，确保每个 PYUSD 有足够的美元支持。PYUSD is managed by Paxos Trust Company, with reserves including USD deposits, short-term US Treasuries and cash equivalents. Paxos provides regular reserve audits and transparency reports, ensuring each PYUSD has sufficient USD backing.
如果丢失 Keystone 设备，我的 PYUSD 还能找回吗？If I lose my Keystone device, can I recover my PYUSD?+
可以。Keystone 支持 BIP-39 标准助记词，你可以在任何兼容的以太坊钱包（如 MetaMask）中恢复 PYUSD。建议将助记词妥善保管在安全的离线位置，作为终极备份方案。Yes. Keystone supports BIP-39 standard recovery phrases. You can recover PYUSD in any compatible Ethereum wallet (such as MetaMask). It is recommended to keep your recovery phrase safely stored in a secure offline location as the ultimate backup solution.
Keystone 如何保护稳定币资产？How does Keystone protect stablecoin assets?+
Keystone 采用气隙隔离技术，私钥从不接触网络设备，有效防止黑客远程攻击。它配备 4 英寸大屏，在签名前清晰展示交易详情，确保你只会签署预期的 PYUSD 转账操作，防止恶意授权。Keystone uses air-gapped isolation technology where private keys never touch networked devices, effectively preventing remote hacker attacks. It features a 4-inch screen that clearly displays transaction details before signing, ensuring you only sign intended PYUSD transfer operations and preventing malicious authorizations.