Could you elaborate on the potential future trajectory of Central Bank Digital Currencies (CBDCs)? Are they poised to revolutionize the global financial system, or are there significant obstacles that could hinder their widespread adoption? Additionally, how might CBDCs impact monetary policy, financial stability, and the role of traditional financial institutions? Lastly, what are some of the key considerations for policymakers and stakeholders as they weigh the pros and cons of implementing CBDCs?