Revisited - The Subliminal Channel in Blockchain and Its Application to IoT Security (belongs to the topic of new cryptographic algorithms for blockchain technology in the IoT). Second, in the paper "Toward Data Integrity Architecture for Cloud-Based AI Systems" [[2]], Witanto et al. investigated the potential cybersecurity risks of Artificial Intelligence (AI)-based computing architecture operated with modern innovative technologies, such as Cloud computing and Blockchain. The Internet of Things (IoT) is an emerging paradigm, seamlessly integrating a great quantity of smart objects that are connected to the Internet. [Extracted from the article]