Here are a few options for a WordPress post tag description for “狗狗幣買法” (How to Buy Dogecoin) in Traditional Chinese, ranging from concise to more descriptive:

**Option 1 (Concise):**

> 了解如何購買狗狗幣，包括购买平台、步驟及所需注意事項。

**Translation:** Understanding how to buy Dogecoin, including purchasing platforms, steps, and important considerations.

**Option 2 (Slightly more descriptive):**

> 學習狗狗幣的購買方法，涵蓋交易平台選擇、購買流程指南，以及風險管理建議。幫助你輕鬆踏入加密貨幣世界。

**Translation:** Learn methods for buying Dogecoin, covering trading platform selection, purchase process guidelines, and risk management suggestions. Helping you easily step into the world of cryptocurrencies.

**Option 3 (Focus on beginners):**

> 針對新手，详细說明狗狗幣的購買方法。從註冊交易平台到完成交易，逐步解說，讓你輕鬆掌握狗狗幣的購買技巧。

**Translation:** Detailed explanation of how to buy Dogecoin, specifically for beginners. Step-by-step instructions, from registering on a trading platform to completing the transaction, allowing you to easily master the skills of buying Dogecoin.

**Option 4 (More technical/broad):**

> 探索購買狗狗幣的各種途徑，包括交易所、P2P交易等。 提供關於平台選擇、安全性、交易策略，以及狗狗幣相關資訊的綜合指南。

**Translation:** Explore various ways to buy Dogecoin, including exchanges, P2P trading, etc. Provides a comprehensive guide on platform selection, security, trading strategies, and information related to Dogecoin.

**Considerations when choosing your description:**

* **Target audience:** Who is reading your blog? Are they beginners, experienced traders, or a mix?
* **Content of the blog post:** Does the post focus on a specific exchange, or a general overview?
* **SEO:** What keywords are you trying to attract? Consider including relevant keywords like “交易平台” (trading platforms), “加密貨幣” (cryptocurrency), “狗狗幣” (Dogecoin), “購買” (buy).
* **Length:** WordPress generally supports longer descriptions, but keep it concise and informative.

I recommend picking the option that best reflects the content of your post and the audience you are trying to reach. Good luck!