Here are a few options for a WordPress post_tag description, in Traditional Chinese, depending on the tone and focus you want to convey:

**Option 1: General & Welcoming**

* **描述:** 探索加密貨幣世界的入門指南！在這裡，你會找到關於比特幣、以太坊、區塊鏈等熱門主題的基礎知識，讓你輕鬆踏出加密貨幣投資的第一步。 (Dǒtàn jiāmì huòbì shìjiè de rùmén zhǐnán! Zài zhèlǐ, nǐ huì zhǎodào guānyú bǐtèbì, yǐtài fāng, qūkuàiliàn děng rèmén zhǔtí de jīchǔ zhīshì, ràng nǐ qīngsōng tūchū jiāmì huòbì tóuzī de dì yī bù.)
* **Translation:** A beginner’s guide to exploring the world of cryptocurrency! Here, you’ll find basic knowledge of popular topics like Bitcoin, Ethereum, blockchain, etc., allowing you to easily take your first step into cryptocurrency investment.

**Option 2: Focused on Education**

* **描述:** 深入學習加密貨幣的各種知識，從基礎概念到進階技術分析，幫助你全面了解這個快速發展的數位資產領域。包括區塊鏈技術、加密貨幣交易、挖礦等。 (Shēnrù xuéxí jiāmì huòbì de gèzhǒng zhīshì, cóng jīchǔ gàiniàn dào jìnjiē jìshù fēnxī, bāngzhù nǐ quánmiàn liǎojiě zhège kuàisù fāzhǎn de shùwèi zīchǎn lǐngyù. Bāokuò qūkuàiliàn jìshù, jiāmì huòbì jiāoyì, wākuàng děng.)
* **Translation:** Delve deep into various types of cryptocurrency knowledge, from basic concepts to advanced technical analysis, helping you comprehensively understand this rapidly developing digital asset field. Including blockchain technology, cryptocurrency trading, mining, etc.

**Option 3: Emphasizing Practicality**

* **描述:** 實用的加密貨幣知識，協助你了解不同的加密貨幣，學習交易技巧，做出明智的投資決策。包括最新市場動態、投資策略和風險管理。 (Shíyòng de jiāmì huòbì zhīshì, xiézhù nǐ liǎojiě bùtóng de jiāmì huòbì, xuéxí jiāoyì jìqiǎo, zuòchū míngzhì de tóuzī juécè. Bāokuò zuìxīn shìchǎng dòngtài, tóuzī cèlüè hé fēngxiǎn guǎnlǐ.)
* **Translation:** Practical cryptocurrency knowledge to help you understand different cryptocurrencies, learn trading skills, and make informed investment decisions. Including the latest market trends, investment strategies, and risk management.

**Option 4: Concise & Direct**

* **描述:** 理解加密貨幣的世界。從基礎知識到進階主題，探索比特幣、以太坊及其他數位資產。 (Lǐjiě jiāmì huòbì de shìjiè. Cóng jīchǔ zhīshì dào jìnjiē zhǔtí, tànsuǒ bǐtèbì, yǐtài fāng jí qítā shùwèi zīchǎn.)
* **Translation:** Understand the world of cryptocurrency. Explore Bitcoin, Ethereum, and other digital assets, from basic knowledge to advanced topics.

**When choosing, consider:**

* **Your target audience:** Are they beginners or experienced traders?
* **The type of content you will post:** Will it be tutorials? News articles? Investment advice?
* **SEO keywords:** Make sure the description includes relevant keywords your audience might search for (like “比特幣”, “以太坊”, “區塊鏈”, “加密貨幣交易”).

You can easily add this description within your WordPress dashboard when you create or edit the tag. Go to “Posts” -> “Tags”, find the tag “加密貨幣知識”, and you should see a field labeled “Description” where you can paste your chosen text.