2. **How does blockchain technology underpin cryptocurrencies, and what are the potential advantages and disadvantages of using blockchain for transaction verification?
3. **What are the primary factors influencing the value of cryptocurrencies like Bitcoin and Ethereum, and how do market dynamics affect their price volatility?
4. **What role do central bank digital currencies (CBDCs) play in the financial system, and how might they impact the use and perception of decentralized cryptocurrencies?
5. **What are the security challenges associated with virtual and cryptocurrencies, and what measures can individuals and institutions take to protect themselves from potential threats?
2. **What are the potential impacts of central bank digital currencies (CBDCs) on the current financial system and decentralized cryptocurrencies like Bitcoin and Ethereum?
3. **What are the primary differences between proof-of-work (PoW) and proof-of-stake (PoS) consensus mechanisms, and how do they affect the security and scalability of cryptocurrencies?
5. **What are the key regulatory challenges facing cryptocurrencies, and how are different countries addressing these challenges to balance innovation with risk management?