Placement and channeling service management in guidance and counseling is a systematic approach that aims to help individuals find the right path in education, career, and social life. This concept involves several key components, including identification of counselee needs, evaluation of potential, and development of an appropriate placement plan. The method used in this research is qualitative with a type of literature study with activities that include searching, reviewing, reading books or journals relevant to the research. The main purpose of this service management is to facilitate the transition process of individuals from education to the world of work, as well as support their personal development. This involves collaboration between counselors, educational institutions, and industry to ensure that clients receive the necessary information and resources. The findings of this study are to discuss (1) Definition of placement and channeling services, (2) Forms of placement and channeling services, (3) Mechanisms of placement and channeling services, (4) Purpose of placement and channeling services, and (5) Assessment of counseling guidance in placement and channeling services. The purpose of this research is to describe and explain the management of placement and channeling services.

Smart grids incorporate IoT devices that enhance energy management, monitoring, and overall grid efficiency. However, this interconnectivity also increases vulnerability to cybersecurity threats, posing risks to critical infrastructure. This research investigates the implementation of blockchain technology to secure data transactions within IoT-based smart grids. By leveraging blockchain's decentralized, tamper-resistant characteristics, the study demonstrates improvements in data integrity and cybersecurity for smart grids, providing a potential framework for resilient and secure energy infrastructures.