Sidera platform for consumerizing cryptocurrencies by enabling their use in retail Point of Sale (POS) through a smartwatch and a contactless smartband. Sidera are an end-to-end solution for contactless and smartwatch retail point-of- sale (POS) including a full-stack reference utilization of all the components. It includes a mobile application and point-of-sale (POS) terminals that are already in deployment. All of these components is going to be made commonly available through open source and open specifications. By releasing the full-stack guide implementations as available source and open requirements, we can enable ubiquitous worldwide distribution of the Sidera protocols and ensure the rapid expansion of the value of this Sidera Network.