What is Coinbase Partner Network (CPN)?

Could you elaborate on the Coinbase Partner Network (CPN) in more detail? As a financial and cryptocurrency practitioner, I'm curious to understand its role and significance in the broader crypto ecosystem. Specifically, what does CPN offer to its partners? How does it enable collaboration and integration with Coinbase's products and services? What types of businesses or organizations typically become CPN partners? And finally, how does CPN contribute to the growth and adoption of cryptocurrency? I'd appreciate a concise yet comprehensive overview of this network and its implications.