## 1 Introduction
### Related Works  
The related works are surveyed and shown in Table 2. In this table, it can be seen that some of the related literature are compared with their characteristics. There are lots of security services applied within a smart home, a city, campuses, and industries; the most important element of these smart services is using large amounts of IoT devices to achieve automated security services. Some of these authors also used blockchain to ensure the architecture of communication between IoTs is more secure. \begin{table}
\begin{tabular}{c c c} \hline \hline
**Year** & **Burglary (Property Value)** & **Larceny-Theft (Property Value)** \\ \hline
**2015** & 1,395,913 ($2316) & 582,055 ($1394) \\
**2016** & 1,354,920 ($2361) & 533,553 ($1449) \\
**2017** & 1,250,983 ($2416) & 523,223 ($1381) \\
**2018** & 1,047,388 ($2799) & 448,439 ($1610) \\
**2019** & 917,464 ($2661) & 404,734 ($1663) \\ \hline \hline \end{tabular}
\end{table} 
Table 1: FBI offense statistics from 2015 to 2019 [2]. [PERSON] et al. [18] introduced a security service with central alarm stations and dispatch centers. The monitoring system has various sensors that cooperate with the central station, (the central station is known as the security control center); if there an alarm is triggered and transmitted to the monitoring system, the center will dispatch an official to resolve the problem. These information automated security services can ensure the safety of the protected person or property, but if there is no information security technology that is involved and analyzed, the service may be subject to cyber-attacks. [PERSON] et al. [19] proposed a blockchain-based access control system with IoT in 2020. The system contains three types of smart contracts, which are Device Contract (DC), Policy Contract (PC), and Access Contract (AC). The author used a decentralized management framework, but they did not prove the security analysis of the scheme. [PERSON] et al. [20] proposed a blockchain-based access control system in 2018. The system was designed to be used in industry 4.0, and the information security technology is also included in the proposed scheme; however, there is no security control center dispatch mechanism to keep monitoring and to dispatch professionals to handle the problem. Other applications, such as smart homes and smart campuses, also implement blockchain and IoT technology. [PERSON] et al. [21] proposed a blockchain-based access control to control smart home devices, but the main disadvantage of their research is the lack of information security analyses. [PERSON] et al. [22] applied blockchain technology in smart campuses; they proposed a new smart campus framework with some layers, such as a physical layer, communication layer, platform layer, data layer, business layer, and application layer, but the research lacked a traceable mechanism and security analysis. There is some literature involved in the research of smart homes and information security analyses. [PERSON] et al. [23] were involved in information security with an IFTTT (if this then that) gateway in the smart home; the proposed method implemented authentication and key agreement schemes when the user accessed the gateway remotely. Furthermore, [PERSON] et al. [24] proposed remote anonymous authentication for smart homes. These studies lack record traceability and integrity.