Here are a few options for a WordPress post_tag description with the title “比特幣總量” (Bǐtèbī zǒngliàng – Bitcoin Total Supply) in Traditional Chinese, offering different levels of detail and focus:

**Option 1: Concise & Informative**

> 比特幣的供應量上限。了解比特幣的總量及其背後的固定設計。

> *Translation: The upper limit of Bitcoin’s supply. Learn about the total supply of Bitcoin and the fixed design behind it.*

**Reasoning:** This option is clear, concise, and directly related to the tag title. It uses relevant keywords and provides a brief explanation.

**Option 2: More Detailed & Engaging**

> 探索比特幣的有限供應： 總共只有2100萬個比特幣。 深入了解這個數字的意義，以及這一稀缺性如何影響其價值和功能。

> *Translation: Explore Bitcoin’s limited supply, with only 21 million Bitcoins in total. Understand the significance of this number and how this scarcity impacts its value and function.*

**Reasoning:** This option is slightly more detailed, highlights the key number (21 million), and links to the broader implications of Bitcoin’s total supply. It uses a more engaging tone, encouraging readers to learn more.

**Option 3: Keyword-Focused**

> 比特幣, 總量, 供應量, 2100萬, 稀缺性, 加密貨幣, BTC, 供應上限。

> *Translation: Bitcoin, Total Supply, Supply, 21 million, Scarcity, Cryptocurrency, BTC, Supply Cap.*

**Reasoning:** This option focuses on including relevant keywords that help with search engine optimization (SEO). It is a good choice if you want to optimize the tag for search. Note that a comma-separated list is common for descriptions, but check your theme for formatting requirements.

**Option 4: Explanatory & Contextual**

> 想知道為什麼比特幣的價格波動這麼大嗎？ 答案之一就在於其總量。 了解比特幣總量的限制，以及這個因素如何影響市場和投資者的策略。 了解比特幣的供應機制以及與其他加密貨幣的比較。

> *Translation: Wondering why Bitcoin’s price fluctuates so much? One of the answers lies in its total supply. Understand the limits of Bitcoin’s total supply, and how this factor influences the market and investor strategies. Learn about Bitcoin’s supply mechanism and a comparison to other cryptocurrencies.*

**Reasoning:** This option provides broader context, suggesting a reason why someone might be interested in this topic and hinting at related content. It’s ideal if you want to draw readers further into your blog.

**When Choosing the Best Option:**

* **Consider your target audience:** Are they beginners or experienced crypto enthusiasts?
* **Think about your content:** What do you want to emphasize in your post?
* **Prioritize clarity and conciseness:** Keep the description focused on the central topic.
* **Look at your Theme:** Some themes may automatically include the category or tag description in the post list or archives. Consider this formatting.

Remember to select the option that best fits your specific needs and the overall tone of your WordPress blog. Good luck!