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## Preface

With the increasing popularity of virtual currencies today, 'Is USDT legal?' has become one of the most concerning questions for many investors and users. As the most valuable stablecoin in the global market, USDT (<a href="/ja/price/tether-usdt" target="_blank" class="blog_inner_link">Tether</a>) is not only the mainstream medium of exchange but also commonly used in fund transfers on various major platforms. This article is from the globally renowned cryptocurrency exchange platform <a href="https://www.gate.io" target="_blank" title="**Gate**">**Gate**</a> Writing, comprehensively analyzing USD, from legality, risks, scam methods to purchase methods, to help you use USDT more securely and efficiently.

## What is USDT? Introduction to USD coin

<a href="/ja/price/tether-usdt" target="_blank" class="blog_inner_link">Tether</a> (Tether, codenamed USDT) is currently the most well-known and widely circulated stablecoin globally, anchored to the dollar at a 1:1 ratio to maintain price stability. This design makes USDT a stable medium of exchange in trading and is also favored by investors.

In <a href="https://www.gate.io" target="_blank" title="Gate.io">Gate.io</a> On the platform, we provide complete and compliant USDT trading services, supporting multiple chain versions of USDT (such as ERC-20, TRC-20, SOL, etc.), allowing users to flexibly choose the most suitable network according to their needs.

## The operation mechanism and value source of USDT

USDT by [USDT](/price/tether-usdt) The company issues USDT, promising that each USDT is backed by assets of equivalent value, including cash, commercial paper, and US Treasury bonds. These assets serve as reserves to maintain the stability of USDT against the US dollar.

Although the transparency of reserves has been questioned by the market, Gate.io only supports the official verified version of USDT, closely monitors reserve reports and audit dynamics, ensuring that every USDT used by users has real value support.

Further understanding <a href="https://www.gate.io/learn/articles/tethers-ten-year-journey-and-future-outlook-the-rise-of-a-global-stablecoin-leader/4405" target="_blank" title="The ten-year history and future prospects of Tether">The ten-year history and future prospects of Tether</a>.

## What are the legal channels to purchase USDT?

<a href="https://www.gate.io/how-to-buy/tether-usdt" target="_blank" title="Gate.io Tutorial: How to buy USDT">Gate.io Tutorial: How to buy USDT</a>

| Purchase method | Explanation | Suitable objects |
| --- | --- | --- |
| Credit card / card purchase | Instant purchase, quick start | Beginner |
| Fiat deposit (New Taiwan Dollar/Hong Kong Dollar) | Transfer local currency to Gate.io wallet | Asset allocation users |
| P2P peer-to-peer trading | Trade directly with other users, flexible pricing | Experienced |
| Coin-to-Coin Exchange | Convert BTC/ETH to USDT | Cryptocurrency users |

## What are the risks of USD?

<a href="https://www.gate.io/price/tether-usdt" target="_blank" title="View real-time USDT price fluctuations">View real-time USDT price fluctuations</a>

| Risk Type | Explanation | Gate measures |
| --- | --- | --- |
| Reserve Transparency | Reserve assets have not been fully audited | Only official USDT is supported, continue to pay attention to audit information |
| Regulatory risks | Inconsistent regulations in various countries | Continuous compliance updates and user education |
| Anchor Risk | Temporary deviation from the USD in extreme market conditions | Provide real-time price alerts |
| Technical risk | On-chain attacks, network congestion, etc. | Cold wallet storage + security protection mechanism |

## Common USDT scam methods and prevention
| Type of fraud | De_script_ion of features |
|----------|----------
| Romance fraud | Requesting USDT in the name of investment |
| Fake exchange/App | Impersonating Gate.io website interface to induce recharge |
| High return trap | Guaranteed return, capital preservation arbitrage |
| Fake OTC currency dealer | Selling currency privately on Line or WeChat |

## Is USDT suitable for long-term investment?

<a href="https://www.gate.io/learn/articles/how-to-earn-usdt-best-methods-to-grow-your-crypto-holdings/6970" target="_blank" title="How to earn passive income in USDT">How to earn passive income in USDT</a>

| Use Case | Suitable reasons |
| --- | --- |
| Market volatility hedging | Convert other coins to USDT for value preservation |
| Cross-border payment | Fast transfer, low fees |
| Asset Allocation | Participate in financial products/liquidity mining |

## Practical advice on using USDT

| Suggested project | Gate.io platform support |
| --- | --- |
| Use official channels | Only use <a href="https://www.gate.io" target="_blank" title="Gate.io official website">Gate.io official website</a> With the official App |
| Complete KYC real-name authentication | Increase limits and permissions |
| Enable two-factor authentication (2FA) | Enhance account security |
| Pay attention to selecting the chain | ERC20 / TRC20 / SOL chains cannot be used interchangeably |

## Summary: The key is to use USD legally and safely, choose the right platform.

USDT itself is not a scam, its legality and safety of use depend on whether the platform chosen is compliant and reliable. If you wish to securely purchase, hold, and transfer USDT, <a href="https://www.gate.io" target="_blank" title="Gate.io">Gate.io</a> Providing complete functionality, powerful risk control, and educational content, it is your best choice to enter the stable coin world.

Further understanding <a href="https://www.gate.io/learn/articles/consensus-in-the-cracks-tether-and-the-new-global-financial-order/4740" target="_blank" title="Relationship between Tether and the global financial order">Relationship between Tether and the global financial order</a>.

* * *

## Common Issues QA Section

### Q1: Which chain should I use to send USDT?

Commonly known as TRC20 (low fees), ERC20 (wide compatibility), please choose the chain according to the payee's requirements. Gate.io supports multi-chain transfers.

### Q2: Is USDT a scam?

USDT itself is not a scam, but due to its strong anonymity, it is often used by fraudsters. Please be sure to operate on legitimate platforms such as Gate.io to ensure transaction security.

### Q3: How can beginners buy USDT on Gate.io?

You can purchase using credit card, fiat transfer, or P2P market. For detailed instructions, please refer to <a href="https://www.gate.io/how-to-buy/tether-usdt" target="_blank" title="Purchase Guide">Purchase Guide</a>.

### Q4: Does it make sense to hold USDT for the long term?

USDT is a stablecoin, suitable for hedging, transfers, and asset allocation, but not recommended for appreciation-oriented investments. It can be combined with <a href="https://www.gate.io/learn/articles/how-to-earn-usdt-best-methods-to-grow-your-crypto-holdings/6970" target="_blank" title="Platform financial tools">Platform financial tools</a> Use.

* * *

<div class="blog-details-info">
<div>Author: Amao.C, Researcher at Gate.io
<div class="info-tips">*This article represents only the author&#39;s point of view and does not constitute any trading advice. Investment carries risks, so decisions should be made cautiously.
<div>*This article is original, and the copyright belongs to Gate.io. Please indicate the author and source if reprinted, otherwise legal responsibilities will be pursued.
</div><p></p>
</div></div></div>

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【2025 Latest Guide】Is USD legal? Comprehensive analysis of the legality of USDT, purchase methods, and fraud risks