The Industrial Internet of Things (IIoT) faces various challenges in ensuring secure communication, authentication, and data integrity due to its distributed nature and evolving threat landscape. To address these issues, this paper proposes the integration of blockchain authentication as a robust solution to enhance security and reliability in IIoT networks. By leveraging Federated Learning with blockchain technology, the proposed solution aims to improve authentication mechanisms by training models across multiple edge devices, increasing fault tolerance, and adaptability while reducing the risk of single points of failure. The use of blockchain technology ensures a tamper-proof and transparent ledger for securely storing authentication data and model updates, enhancing security and integrity in IIoT networks. The results and analysis demonstrate that the integration of Federated Learning and blockchain technology effectively addresses interoperability issues, performance optimization concerns, and security vulnerabilities within IIoT networks, offering a more efficient, secure, and scalable authentication alternative.

Human resource management that has been applied in the management of the Islamic Malahayati Hospital is very good so that the Islamic Malahayati Hospital gets a different assessment compared to other hospitals in Medan which implemented the integrated ISO 9001;2008 management system. This study aims to determine how the existing resource management in the Islamic Malahayati Hospital. This type of research is a quantitative study with a cross-sectional study approach. The population in this study were all nurses at Islamic Malahayati  Hospital as many as 190 civil servant nurses with a sample of 129 people. The sampling technique in this study used proportional random sampling. Data analysis was performed by univariate, bivariate with chi-square test and multivariate analysis with logistic regression. There is a relationship between recruitment and selection (p-value = 0.000), training and promotion (p- value 0.000), job appraisal, and salary management (p values = 0.000), with the performance of nurses at the Islamic Malahayati Hospital. Promotion and training have the greatest relationship with nurse performance with an OR value of 15,934. It is recommended to the hospital to increase the training and promotion of health workers, especially by involving more employees, in this case, nurses in training activities or increasing their capacity, and it is necessary to have a promotion or increase in positions that are in accordance with the work of nurses so that nurses are more active and more motivated in improving their performance while working in the hospital.
 
 

The Industrial Internet of Things (IIoT) has revolutionized industrial processes, offering automation and data-driven decision-making. However, this interconnectedness brings new security challenges, especially in crucial infrastructure sectors. Traditional security measures are inadequate, leading to the exploration of innovative solutions. Blockchain technology has emerged as a promising solution due to its decentralized and immutable nature. This paper proposes a Hybrid Blockchain-Based Authentication Mechanism for IIoT, combining Delegated Proof of Stake (DPoS) and Elliptic Curve Cryptography (ECC). The hybrid architecture utilizes public and private blockchains to ensure scalability, efficiency, and security. Lightweight consensus algorithms, DPoS, are incorporated to optimize performance, while ECC provides efficient cryptographic techniques suitable for IIoT environments. An interoperable framework facilitates seamless integration with existing infrastructure, ensuring regulatory compliance and compatibility. Decentralized identity management further enhances security and privacy. Results and analysis demonstrate the effectiveness of the proposed solution, positioning hybrid blockchain architecture as the most suitable approach for enhancing security in IIoT environments.

This paper proposes Blockchain-Enhanced Multi-Factor Authentication (BEMFA) to address the limitations of existing authentication mechanisms in the Industrial Internet of Things (IIoT). BEMFA combines multi-factor authentication (MFA) with blockchain technology to ensure robust, scalable, and tamper-resistant security tailored to IIoT environments. This method dynamically manages roles and permissions, detects malicious devices, and ensures data integrity and authenticity. Our results demonstrate that BEMFA significantly enhances security, addressing critical access control challenges and mitigating risks posed by malicious devices while maintaining data integrity.

Environmental Health efforts are one way of achieving a healthy environmental quality, both physical, chemical, biological and social, enabling every community to the highest level of Health with the media of the snake game staircase. Nearly 80% of diseases in schools are caused by poor sanitation and hygiene conditions. Therefore, there is a need for education aimed at improving the knowledge of students and changing the thinking of students in keeping the sanitation and hygiene of the environment at school. This educational activity was carried out at Mathla’ul Anwar Menes Pandeglang Banten. The methods used in this research are lectures with an educational approach using power point media and a snake game of stairs. To measure the level of knowledge of students in this study using pre-test post-test. This education has an effect on the changes in knowledge, attitudes and actions of students about sanitation and environmental hygiene, as evidenced by respondents' answers.

Blood is a liquid that has a very important role in the human body, the existence of blood aims to distribute oxygen and nutrients to all body cells. But in reality, in Indonesia, the ideal blood stock, which should be 2% of the total population of Indonesia, is still far from enough, so it is necessary to have additional blood supply to reach the ideal count. Blood donation is one of the activities that can help this goal. In collaboration with PMI, PT Telkom Akses conducted community service through blood donation activities. In its implementation, 55 participants participated, with 30 people successfully donating blood and 25 people were unsuccessful because their hemoglobin (HB) levels did not meet the requirements. But overall this blood donation activity went well and smoothly.

Curriculum development is closely related to changes in world conditions because education will always lead to more profitable results for both teachers and students. The aim of the research was to determine the level of understanding of PGMI STAI Jam'iyah Mahmudiyah students regarding the independent learning curriculum. The type of research used is quantitative research. The data collection method used is indirect communication techniques. The data collection tool used is based on the selected data collection technique, namely a questionnaire. Collecting information through distributing questionnaires containing questionnaires to respondents. The hypothesis t test technique was carried out using the statistical package for social science (SPSS) data processor version 22 for Windows. The results of the research show that based on the data obtained, it can be seen that the level of significance is 0.001 < 0.05 through paired sample t-test analysis. It can be used to predict the influence of variable implementation of the independent learning curriculum).
 

The development of sepak takraw originates from a traditional game that originally developed in North Sumatra, West Sumatra, South Sumatra. This sepak takraw game has various names for this type of game in various regions, such as the famous one in Riau, namely high rago, in Bengkulu it is called Cepak, in Sumatra and Jambi it is called sapak rago, while in South Sulawesi it is known as Marraga - Akraga. South Sulawesi, North Sumatra, South Sumatra and West Sumatra are places that produce rattan which will be used as raw material for making takraw balls. Double event sepak takraw is a sepak takraw game played by two people in one team, the way of playing is slightly different from the general sepak takraw game. The difference is that the serve is generally carried out in a ditekong or half circle for the ball thrower and also a circle in the middle of each team's area which has the function of kicking the initial ball which is often called a serve but in this study a double event game is used where the serve is done alone so that
the kicker or throwing is done alone.

17 August 1945, University Surabaya has expanded its limited green space and educated students and the community about plant development without planting material, or it is referred to as contemporary farming by using the rooftop area on the third level of the Engineering Building (Q) for hydroponic plant cultivation. Using the PDCA (Plan, Do, Check, Action) method, one may improve the productivity of plants in hydroponic farming. The NFT (Nutrient Film Technique) system, which consists of three pipes stacked in parallel places, is used in the design of the hydroponic growing system. Rockwool, flannel cloth, plastic cups, nutrients, and a pH or TDS (Total Dissolved Solid) measuring device are among the equipment and supplies utilized. Choosing plants that can be used on small amounts of land are.
 
 

The Sukolilan Village community's efforts to strengthen the rural economy through animal husbandry is one example of community activities that can boost the rural economy. Snail farming is a business prospect for the village community because it is very easy to cultivate. This research uses a descriptive qualitative method with data obtained through direct surveys to snail cultivators. The results of this study can provide an understanding that snail cultivation has a great opportunity to be practiced and expanded to improve the village economy.