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This paper aims to present a viable approach for designing and implementing a generic per‐fee‐link framework. It also aims to design this framework to be used with any payment protocol and test it with two existing ones.

The paper presents a per‐fee‐link framework based on several generic components. These components have been developed and tested in order to prove the viability of the proposed framework.

The results show that is possible to establish a per‐fee‐link framework. Four core components are defined: first, the different modules needed for browsers and web servers, second, an extended payment protocol (EPP), which negotiates the payment protocol to use and encapsulates its related messages, third, an API for e‐wallets, which is independent of the payment protocol, to incorporate the protocols to use with EPP and finally, the definition of a per‐fee‐link that associates payment information to a link.

The framework presented shows a uniform way of using payment protocols that can increase the trust of end users. Furthermore, it has been developed and tested.

The contribution describes the components needed for supporting the framework. Its feasibility has been checked through an implementation and it facilitates the payment for content on the web. Thus, content providers can obtain an alternative revenue source to advertisement or subscription. Furthermore, developers, vendors and customers can see that the incorporation of payment protocols to the system is facilitated. Finally, the users obtain a uniform way to make payments that increases the perception of trust.

This article aims to explore the concept of chain value of the public port system in Ecuador from the perspective of importing/exporting companies, analyzing how perceived value in the use of port services affects customer satisfaction and the intermediate links of the influence of trust and commitment on customer loyalty.

Relying on a survey of 634 Ecuadorian companies with experience in international trade as port users and a theoretical framework well-established in the literature on consumer behavior, the empirical study found evidence of a positive and significant relationship with the knowledge of chain effects.

The findings confirm the chain effect and reveal ways to maintain an ongoing satisfactory, trust and committed relationship with users, thereby ultimately gaining and maintaining their loyalty. The conclusions suggest how this postulate can help to close the gap referred to the effective management of port services, and point out that port managers should be concerned with a continuous in-depth understanding of the perceived value and its chain effects.

The authors add evidence of the use of the postulate of the chain of effects on these dimensions, whose applicability is very well established, tested and consensual for the doctrine in industrial marketing. In contrast, it is scarcely present in the port relationship with its users.

This study aims to perform a detailed bibliometric analysis of digital payment adoption and map the trends and growth in this field by examining seminal works, conceptual foundations and intellectual networks.

The Scientific Procedures and Rationales for Systematic Literature Reviews (SPAR-4-SLR) technique was applied to retrieve 1,016 journal articles from Scopus and Web of Science (2003–2023). Diverse performance analyses and science mapping methods were performed using the Biblioshiny package in R to gain a comprehensive understanding of the field’s knowledge base.

The findings reveal a significant increase in scholarly interest, marked by a surge in publications and citations in recent years. Co-citation and factorial analysis identified distinct research clusters, delineating core themes and suggesting future research avenues relevant to theoretical exploration in digital payment technologies.

This study is a groundbreaking effort to explore the adoption of digital payment through bibliometric analysis. It uniquely addresses key domains for science mapping, including intellectual and conceptual structures. These innovative findings provide valuable insights for future practitioners, academics and aspiring researchers in the field.