What are Crypto Challenges for resource-constrained authorities?

Could you elaborate on the challenges that authorities face in relation to cryptocurrencies, particularly when they operate with limited resources? How do these challenges manifest in their efforts to regulate and oversee the crypto market? What strategies or approaches do they typically adopt to address these challenges? Are there any specific examples of authorities successfully overcoming these crypto challenges despite resource constraints? And finally, what are the potential long-term implications of these challenges for the crypto industry and authorities alike?