PayPal USD (PYUSD) 稳定币扩展到 Solana 区块链，瞄准开发人员

PayPal USD (PYUSD) 稳定币现已在 Solana 上推出，为开发人员的项目提供了新的稳定币选择。

PayPal’s stablecoin, pegged 1:1 to the U.S. dollar and designed to facilitate digital payments, is now available on Solana.

PayPal 的稳定币与美元 1:1 挂钩，旨在促进数字支付，现已在 Solana 上提供。

After initially launching on the Ethereum blockchain, PYUSD expanded to Solana following an announcement by PayPal on May 29, 2024. The integration of PYUSD on Solana is expected to provide several benefits, including near-instant settlements, high cost-efficiency, 24/7 availability and global reach.

最初在以太坊区块链上推出后，PYUSD 在 PayPal 于 2024 年 5 月 29 日宣布后扩展到 Solana。PYUSD 在 Solana 上的集成预计将带来多项好处，包括近乎即时的结算、高成本效益、24/7可用性和全球影响力。

Here's a closer look at PYUSD, its use cases and how developers can leverage it to build on Solana.

下面详细介绍了 PYUSD、其用例以及开发人员如何利用它在 Solana 上进行构建。

What is PYUSD?

PYUSD是什么？

The PayPal USD (PYUSD) stablecoin is issued and managed by Paxos Trust Company on behalf of PayPal. It aims to maintain a stable 1:1 value with the United States dollar, providing the cryptocurrency market with a trustworthy and safe digital version of the U.S. dollar.

PayPal USD (PYUSD) 稳定币由 Paxos Trust Company 代表 PayPal 发行和管理。旨在与美元保持稳定的1:1价值，为加密货币市场提供值得信赖、安全的数字版美元。

By combining the payments expertise of PayPal with the technological advantages of بلاك تشينs like Ethereum and Solana, PYUSD seeks to transform digital payments.

通过将 PayPal 的支付专业知识与以太坊和 Solana 等加密货币的技术优势相结合，PYUSD 致力于变革数字支付。

Initially launched on the Ethereum blockchain, PYUSD expanded to the Solana blockchain as per PayPal’s announcement on May 29, 2024. Solana, a leading بلاك تشين known for its rapid adoption, boasts a robust ecosystem with millions of daily transactions and thousands of active developers.

根据 PayPal 于 2024 年 5 月 29 日发布的声明，PYUSD 最初在以太坊区块链上推出，后来扩展到 Solana 区块链。Solana 是一家领先的加密货币，以其快速采用而闻名，拥有强大的生态系统，每天有数百万笔交易和数千名活跃开发人员。

This high-performance network is designed for speed, scalability and cost-efficiency, aiming for block times of approximately 400 milliseconds and supporting thousands of transactions per second at a median fee of fractions of a cent.

该高性能网络专为速度、可扩展性和成本效益而设计，旨在实现约 400 毫秒的出块时间，并以零点几分之一的中位费用支持每秒数千笔交易。

Its global accessibility ensures PYUSD transfers settle almost instantly with minimal costs regardless of transaction size, making it scalable for large user bases and accessible worldwide to anyone with an internet connection.

其全球可访问性确保 PYUSD 转账几乎可以立即以最低成本结算，无论交易规模如何，从而使其可扩展以适应庞大的用户群，并可供全球任何有互联网连接的人使用。

With the flexibility and accessibility offered by this multichain method, users can select the بلاك تشين that best meets their requirements.

凭借这种多链方法提供的灵活性和可访问性，用户可以选择最能满足其要求的区块链。

Why build with PYUSD?

为什么使用 PYUSD 构建？

PYUSD combines the payments expertise of PayPal and the technical capabilities of Solana. The stablecoin, which was only available on Ethereum before, is now available on Solana as well, offering the following benefits:

PYUSD 结合了 PayPal 的支付专业知识和 Solana 的技术能力。这种稳定币之前仅在以太坊上可用，现在也可在 Solana 上使用，并具有以下优点：

Cross-border P2P payments

跨境P2P支付

One can transfer PYUSD to eligible recipients globally using a Solana wallet, with transactions settling almost instantly and at a negligible cost.

人们可以使用 Solana 钱包将 PYUSD 转移给全球符合条件的接收者，交易几乎立即结算，且成本可以忽略不计。

Business-to-business transfers

企业对企业的转移

Thanks to programmable features in PYUSD, businesses can develop their own services to facilitate near-instant, cost-effective cross-border transfers with minimal technological requirements.

借助 PYUSD 的可编程功能，企业可以开发自己的服务，以最低的技术要求促进近乎即时、经济高效的跨境转账。

Microtransactions

微交易

PYUSD facilitates microtransactions in real-time and at a low cost on Solana. With PYUSD, Web3 merchants such as nonfungible token (NFT) marketplaces and blockchain-based gaming platforms can integrate with fiat bank accounts using digital native currencies.

PYUSD 在 Solana 上以低成本促进实时微交易。借助 PYUSD，非同质代币 (NFT) 市场和基于区块链的游戏平台等 Web3 商家可以使用数字原生货币与法定银行账户集成。

Global payouts

全球支付

PYUSD removes the need for a complex network of multiple banking networks, currencies and digital wallet systems, simplifying global payouts.

PYUSD 不再需要由多个银行网络、货币和数字钱包系统组成的复杂网络，从而简化了全球支付。

Solana’s token extensions and their role in PYUSD development

Solana 的代币扩展及其在 PYUSD 开发中的作用

Token extensions (TEs) on the Solana blockchain are powerful tools that expand the functionality of the Solana Program Library (SPL) Token Program, the standard for creating tokens.

Solana 区块链上的代币扩展 (TE) 是功能强大的工具，可扩展 Solana 程序库 (SPL) 代币计划（创建代币的标准）的功能。

TEs are composable modules that can be applied to a token to offer specific features or functionalities. Simple metadata additions to intricate compliance and governance systems are examples of these enhancements.

TE 是可组合模块，可应用于代币以提供特定特性或功能。这些增强功能的示例包括向复杂的合规性和治理系统添加简单的元数据。

The specific TEs PYUSD utilizes on Solana are:

PYUSD 在 Solana 上使用的具体 TE 是：

These token extensions enable the following benefits for PYUSD:

这些代币扩展为 PYUSD 带来了以下好处：

Enhanced functionality

增强功能

TEs allow PYUSD transactions to be confidential for users while remaining transparent for regulators, striking a balance between confidentiality and compliance.

TE 允许 PYUSD 交易对用户保密，同时对监管机构保持透明，在保密性和合规性之间取得平衡。

Standardized information

标准化信息

The metadata extension allows for standardized storage of essential token information, such as name, symbol and logo, simplifying integration with various platforms.

元数据扩展允许标准化存储基本代币信息，例如名称、符号和徽标，从而简化与各种平台的集成。

Programmable control

可编程控制

The transfer hook extension allows for custom logic to be executed with each token transfer, providing greater control over how PYUSD interacts with wallets and applications.

转账挂钩扩展允许在每次代币转账时执行自定义逻辑，从而更好地控制 PYUSD 与钱包和应用程序的交互方式。

Flexible fees

灵活的费用

The transfer fee extension allows for the implementation of transfer fees, which can be used for various purposes, such as network maintenance or revenue generation.

转让费扩展允许实施转让费，转让费可用于各种目的，例如网络维护或创收。

Regulatory compliance

监管合规性

The permanent delegate extension enables a designated authority to manage PYUSD tokens for compliance purposes, ensuring adherence to regulatory requirements.

永久代表延期使指定机构能够出于合规目的管理 PYUSD 代币，确保遵守监管要求。

Account management

帐户管理

The mint close authority extension enables the closure of mint accounts and the reclamation of resources, ensuring efficient management of PYUSD tokens.

铸币关闭权限扩展可以关闭铸币账户并回收资源，确保 PYUSD 代币的高效管理。

Benefits of building with PYUSD using token extensions for developers

使用 PYUSD 进行构建并使用代币扩展为开发人员带来的好处

Developers on the Solana blockchain can realize the full potential of programmable money and assets by leveraging the SPL Token Program with token extensions. This used to involve a laborious fusion of several codebases and protocols.

Solana 区块链上的开发人员可以通过利用带有代币扩展的 SPL 代币计划，充分发挥可编程货币和资产的潜力。这过去需要费力地融合多个代码库和协议。

However, developers now have native access to a full range of programmability features when minting tokens with enabled token extensions. With this simplified method, developers can enable or disable particular capabilities on a per-feature basis, customizing their tokens to fit the specific requirements of their apps.

然而，开发人员现在在使用启用的令牌扩展铸造令牌时可以本机访问全方位的可编程性功能。通过这种简化的方法，开发人员可以根据每个功能启用或禁用特定功能，自定义其令牌以满足其应用程序的特定要求。

Additionally, TEs are industry-standard, well-tested and certified extensions that

此外，TE 是行业标准、经过充分测试和认证的扩展，