مطالب

Background: Blockchain, mainly known for supporting cryptocurrencies, has a much broader role, as seen in this paper. These fundamental features of decentralization and immutability guarantee improved security and transparency in multiple spheres of human life. Objective: The article seeks to review current literature on new prospects of using blockchain as a secure way of sharing data with the purpose of establishing its advantages and disadvantages in this field. Methods: Relevant academic articles and papers published in the last 5 years were considered, and research cases of blockchain applications in numerous fields including healthcare, finance, supply chain, etc. This incorporates a review of blockchain within the capacity of data integrity, confidentiality, and availability. Results: The results show that blockchain can greatly improve the security and credibility of data in data sharing by reducing common vulnerability and offering reliable traceability. The technology ensures safe transactions of data and minimizes the possibilities of manipulation of data in fields which involve sensitive data processes. Conclusion: Opportunities for the blockchain for secure data sharing are demonstrated across several industries through current advancements. However, it also has limitations that includes size ability, compatibility and legislation issues which still has to be solved. The study should therefore consider the following recommendations about the barriers outlined above in order to enhance the application of blockchain in secure data sharing in the future.

Objective : Athlete burnout remains a significant concern in competitive sports, with growing evidence highlighting its detrimental effects on performance and mental health. This study examined the efficacy of a Choice Theory-based intervention in reducing burnout symptoms by enhancing autonomy and psychological need satisfaction among elite athletes. Method: Using a longitudinal, randomized controlled design, 156 elite athletes (aged 18–32) from endurance, team, and skill-based sports were allocated to either an 8-week Choice Theory intervention group or a control group receiving standard mental skills training. The intervention incorporated weekly workshops on need identification, cognitive restructuring ("choose to" vs. "have to" thinking), and autonomy-supportive goal setting, alongside coach training in autonomy-supportive communication. Burnout was assessed using the Athlete Burnout Questionnaire (ABQ), while psychological needs were measured via the Basic Psychological Needs Satisfaction in Sport Scale (BPNSSS). Physiological markers (salivary cortisol, heart rate variability) provided objective stress indicators. Results : Results demonstrated significant reductions in emotional exhaustion (p < 0.01, d = 0.72) and sport devaluation (p < 0.05, d = 0.54) in the intervention group compared to controls at 12-month follow-up. Mediation analysis revealed that increased autonomy (β = -0.38, p < 0.001) and competence (β = -0.29, p < 0.01) fully mediated burnout reduction. Physiological data corroborated these findings, with improved HRV recovery (p < 0.05) and lower cortisol levels (p < 0.01) in the intervention group. Conclusions : These findings support Choice Theory as an effective framework for athlete burnout prevention, emphasizing the critical role of autonomy-supportive environments in sustaining long-term athlete well-being. The study advances current practice by demonstrating that structural changes in coaching approaches—particularly empowering athletes with meaningful choices—can significantly mitigate burnout risk. Future research should explore the generalizability of these effects across diverse athletic populations and cultural contexts.

In the postmodernism era, considering the new technological facilities, researchers are trying to improve the traditional learning process by presenting some new learning models. One of these models, called blended learning, tries to present special ways and solutions to blend synchronous and asynchronous learning. The flipped classroom, subcategorized in this model, reverses the traditional classroom formats. This study investigates the role of this model in EFL learners’ perceptions of class activities and their language achievement. In doing so, two classes in a high school, 10th grade, were selected as the participants. In the experimental group, the flipped learning approach was implemented through the creative software, developed by the researchers. The software was designed based on the book that students were supposed to study that semester. The software framework was Storyline which is a suitable software for creating interactive courses. Learners’ perceptions were also measured by using the translated version of the 'Students Perceptions of Classroom Activities' scale. The results revealed that the flipped learning approach could account for over 70 percent of Choice perception, about 50 percent for Challenge, and 10 percent for Joy perception. The results also demonstrated significant impact of flipped learning on language achievement. The results of this study would help instructors and practitioners to use technology in their teaching program and be optimistic about its amazing results in their learners’ outcomes.