3. **What are some of the most significant security challenges facing cryptocurrency exchanges and wallets, and how are stakeholders working to mitigate these risks?
2. **How do smart contracts on blockchain platforms like Ethereum facilitate automated and trustless transactions, and what potential applications do they have beyond financial services?
**What are the primary differences between centralized and decentralized cryptocurrencies, and what are the advantages and disadvantages of each system?
What role do virtual and crypto assets play in the broader financial system, and how might they influence the future of traditional banking and payment systems?
How does blockchain technology underpin the operation of most cryptocurrencies, and what are the potential advantages and disadvantages of using blockchain?
5. **What are the potential regulatory challenges and considerations for governments regarding the use and exchange of cryptocurrencies in virtual settings?