What is the difference between Coinbase and CoinDCX?

Can you elaborate on the key differences between Coinbase and CoinDCX? How do they compare in terms of their services, user base, security measures, and geographic reach? Is one more suitable for beginners, while the other caters to more experienced traders? Additionally, how do their fee structures differ, and what are the primary cryptocurrencies supported by each platform? Lastly, are there any notable regulatory differences or compliances that set them apart?