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Method A literature study was conducted to examine cyber security in Smart Homes, focusing on vulnerability assessment, privacy, threat mitigation, and policy regulations. Not only smartphones have advanced technology, but smarthomes or smart homes are a technological development that allows users to control functions such as security access, temperature, lighting and home theater remotely. This is the basis for the need for user-friendly cybersecurity measures, considering the rapid adoption of IoT devices in smart homes. This literature review highlights challenges related to inconsistent regulations and varying technology standards. Significant gaps exist in user awareness, device interoperability, data privacy, and security protocols. A multidisciplinary approach that brings together technology, policy, and social science stakeholders is recommended to build a secure, efficient, and privacy-preserving smart home ecosystem

A criminal record is an official document filed with the police that contains a person's criminal history. In practice, managing criminal record data is not easy, the complex challenge is the risk of data manipulation. Data manipulation is carried out for various purposes, one of which is deleting or changing data for certain purposes. The increase in cyber crime in Indonesia does not rule out the possibility that criminal record data will be hacked. Blockchain technology, through smart contracts, is an innovative solution to overcome the problem of data manipulation. Blockchain as an immutable distributed digital ledger, provides guarantees of data security and integrity. By adopting smart contracts in data collection, it can increase the speed of information access, reduce the risk of manipulation and provide a high level of transparency. A feasibility study regarding the importance of implementing Blockchain technology for storing criminal records needs to be carried out before deciding to realize this technology. The aim of this research is to analyze how important it is that criminal record data must be secured using Blockchain technology in Central Java. Qualitative methods were used in this research, data collection was carried out using interview techniques with predetermined sources