The most important regulatory bodies that supervise digital currencies globally:

### 1. **Securities and Exchange Commission (SEC) - United States**

- Monitors activities related to securities, including some digital currencies that are considered securities.

### 2. **Commodity Futures Trading Commission (CFTC) - United States**

- Specializes in regulating futures and options contracts, including contracts related to digital currencies.

### 3. **Financial Action Task Force (FATF)**

- An international organization that sets standards to combat money laundering and terrorist financing, and provides guidance to countries on how to regulate cryptocurrencies.

### 4. **Financial Conduct Authority (FCA) - United Kingdom**

- Regulates the UK financial market, including some activities related to digital currencies, and works to protect investors.

### 5. **European Central Bank (ECB)**

- Monitors financial activities in the euro area and studies the effects of digital currencies on the financial system.

### 6. **Financial Regulatory Authority - UAE (FSRA)**

- Regulates financial activities in the Abu Dhabi Global Market, including digital currencies.

### 7. **Japan Financial Services Authority (FSA)**

- Regulates the cryptocurrency market in Japan, imposing regulations aimed at protecting investors.

### 8. **Majority Securities Authority of Singapore (MAS)**

- Supervises the organization of activities related to digital currencies and provides guidance to investors.

### 9. **Central Bank of China**

- Regulates cryptocurrencies in China, and has taken strict steps against cryptocurrency trading.

### 10. **Overseas Financial Services Commission of Canada (OSFI)**

- Monitors financial activities including digital currencies, and works to protect the financial system.

### a summary

Cryptocurrency laws and regulations vary from country to country, so it is important to follow local and international regulations to ensure compliance.