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## Introduction: The Rise and Evolution of Bitcoin

What is <a href="/ja/price/bitcoin-btc" target="_blank" class="blog_inner_link">Bitcoin</a>, and why is it called "digital gold"? As of 2025, Bitcoin has evolved from a niche cryptocurrency into a globally recognized financial asset. Its core technology—blockchain—along with its decentralized nature and mining mechanism, is transforming the foundations of the financial system.

This article dives deep into Bitcoin’s technology, transaction process, and its expanding role in modern finance. Whether you're an investor, tech enthusiast, or finance professional, this guide offers a comprehensive and accessible framework for understanding Bitcoin.

---

## What Is Blockchain? The Revolutionary Technology Behind Bitcoin

At the core of Bitcoin lies **blockchain technology**—a decentralized and distributed ledger system that securely records every Bitcoin transaction. It operates by grouping transactions into "blocks" and linking them together using **cryptographic hash functions** to form a chronological chain.

Each block contains:

- The hash of the previous block  
- A timestamp  
- A complete list of validated transactions  

This structure makes the blockchain **tamper-proof, transparent, and decentralized**.

In the Bitcoin network, each transaction must be verified through consensus by nodes across the network. Only verified transactions are recorded on the blockchain, eliminating risks like **double-spending**.

---

## What Is Bitcoin Mining? From Proof of Work to Digital Gold

**Bitcoin mining** is the process of securing the Bitcoin network and creating new coins. Miners use powerful hardware to solve complex **mathematical hash problems**. The first to solve it earns the right to add a new block of transactions to the blockchain and receives a Bitcoin reward.

This process is known as **Proof of Work (PoW)** and has several defining features:

- A new block is generated approximately every 10 minutes  
- Higher computing power increases the chances of success  
- Bitcoin rewards are **halved every four years** to maintain scarcity  

### Bitcoin Halving Timeline

| Year  | Block Reward (BTC) |
|-------|--------------------|
| 2009  | 50                 |
| 2012  | 25                 |
| 2016  | 12.5               |
| 2020  | 6.25               |
| 2024  | 3.125              |

This deflationary design gives Bitcoin characteristics similar to gold—**limited supply and resistance to inflation**—earning it the nickname “**Digital Gold**.”

---

## Bitcoin vs. Gold: Comparing Two Value Stores

| Feature         | Bitcoin                              | Gold                               |
|------------------|---------------------------------------|-------------------------------------|
| Total Supply     | Capped at 21 million BTC              | Unlimited, supply increases with mining |
| Issuance Mechanism | Created through mining, halves every 4 years | Mined physically from the earth     |
| Divisibility     | Divisible up to 0.00000001 BTC (1 satoshi) | Divisible, but physically limited   |
| Storage & Transfer | Fully digital, fast and borderless  | Physical storage, costly to transport |

Both Bitcoin and gold are seen as hedges against inflation, but Bitcoin offers superior **portability, programmability, and traceability**, making it highly suitable for the digital economy.

---

## How Do Bitcoin Transactions Work? Decentralized and Secure

Bitcoin transactions start from a digital wallet, where a user enters the recipient’s address and amount to send. This transaction is **broadcast to the network**, where miners verify and add it to a new block on the blockchain.

### Bitcoin’s security model includes:

- **Asymmetric cryptography** to ensure only private key holders can sign transactions  
- **Digital signatures** to validate the authenticity of transactions  
- **Public ledgers** that allow anyone to verify the history of a transaction  

These features ensure **secure, trustless value exchange without intermediaries** on a global scale.

---

## The Applications and Future Potential of Bitcoin in Finance

As of 2025, Bitcoin is increasingly being adopted by major financial institutions and public companies as part of their asset allocation strategies. Its unique features enable promising use cases across multiple financial sectors:

| Application Area     | Bitcoin Advantages                   |
|----------------------|--------------------------------------|
| Store of Value       | Scarcity, inflation resistance, portability |
| Cross-Border Payments | Fast settlement, low fees            |
| Financial Inclusion   | Access without needing a bank account |
| Asset Tokenization    | Improves liquidity and transparency  |

### The Role of Platforms

Platforms like Gate.io provide secure and easy access to Bitcoin trading, helping expand Bitcoin's reach and utility in the global financial ecosystem.

---

## Frequently Asked Questions: Everything You Want to Know About Bitcoin

### How much is 1 Bitcoin in New Taiwan Dollars (TWD)?
Bitcoin’s price fluctuates daily. As of 2025, 1 BTC is typically worth several hundred thousand to over a million TWD. Please check live exchange rates for the latest value.

### Why does Bitcoin have value?
Bitcoin derives its value from its **scarcity**, **decentralized design**, **mining cost**, and most importantly—**market demand and trust**. It is considered a hedge against inflation and a store of value.

### Can Bitcoin be converted to cash?
Yes. You can sell Bitcoin on cryptocurrency exchanges like Gate.io or Binance and withdraw your funds in fiat currency (e.g., TWD or USD) to your bank account.

### How much was Bitcoin worth in the beginning?
Bitcoin had no monetary value at launch in 2009. In 2010, a developer famously bought two pizzas for 10,000 BTC—the first real-world Bitcoin transaction.

### Is Bitcoin legal in Taiwan?
Holding and trading Bitcoin is legal for individuals in Taiwan, but Bitcoin is **not recognized as legal tender**. Financial institutions must follow strict regulations to offer crypto-related services.

### How do you make money with Bitcoin?
You can earn profits by **buying low and selling high**, **holding long-term (HODLing)**, **mining**, or participating in DeFi (Decentralized Finance) platforms.

### How much is 1 Bitcoin in USD?
The value changes constantly. In 2025, Bitcoin typically trades between $30,000 to $70,000 USD. Always refer to current prices on reputable exchanges.

### Can I mine Bitcoin with a smartphone?
Technically yes, but it’s **extremely inefficient** and may damage your device. Proper Bitcoin mining requires high-performance ASIC hardware.

### Which country owns Bitcoin?
Bitcoin belongs to no country or government. It was introduced by the pseudonymous creator Satoshi Nakamoto in 2008 and is maintained by a decentralized global network.

---

## Conclusion: Bitcoin Is Reshaping the Financial World

With its **blockchain infrastructure, mining mechanism, and decentralized transaction system**, Bitcoin is redefining how we understand money and value.

As a digital alternative to gold, Bitcoin offers a new option for **storing wealth and countering inflation**, while also showing potential in **cross-border payments, financial access, and digital asset innovation**.

> ⚠️ **Risk Disclaimer**: Bitcoin is a highly volatile asset. Please assess your risk tolerance and review relevant regulations before investing.

---

## References

- [What Is Blockchain? | IBM](https://www.ibm.com/think/topics/blockchain)  
- [What is Blockchain? Definition, Examples and How it Works](https://www.techtarget.com/searchcio/definition/blockchain)  
- [Blockchain | Wikipedia](https://en.wikipedia.org/wiki/Blockchain)  
- [What is blockchain technology? | McKinsey](https://www.mckinsey.com/featured-insights/mckinsey-explainers/what-is-blockchain)  
- [Bitcoin Mining: What Is It And How Does It Work? | Bankrate](https://www.bankrate.com/investing/what-is-bitcoin-mining/)

## Author

This article was written by a blockchain and crypto analyst, dedicated to making technical knowledge accessible for those seeking to understand Bitcoin and the future of decentralized finance.

<div class="blog-details-info">
<div>Author:** Amao M. **, Gate.io Researcher
<div class="info-tips">\*This article represents only the views of the researcher and does not constitute any investment suggestions.All investments carry inherent risks; prudent decision-making is essential.
<div>\*Gate.io reserves all rights to this article. Reposting of the article will be permitted provided Gate.io is referenced. In all cases, legal action will be taken due to copyright infringement.
</div>

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What Is Bitcoin? Exploring Bitcoin Fundamentals, Blockchain Technology, and the Future of Digital Gold