As a keen observer of the cryptocurrency landscape, I'm curious to delve deeper into the prospects of eCash, specifically the XEC token. Given its recent emergence and the promise of scalability and efficiency it brings to the blockchain ecosystem, how do experts in the field foresee its future? Will it be able to sustain its momentum and compete with established cryptocurrencies? What are the potential risks and challenges that eCash might encounter along its journey? And ultimately, how could eCash XEC potentially impact the broader financial system? These are the questions that linger in my mind, and I'm eager to hear the insights and predictions from those in the know.