69 citations · 109 across the 10 of their papers we have counts for
5 papers · 1 filter
Proof of Authenticity of General IoT Information with Tamper-Evident Sensors and Blockchain
Kenji Saito
Sensor data in IoT (Internet of Things) systems is vulnerable to tampering or falsification when transmitted through untrusted services. This is critical because such data increasi…
Privacy-Preserving Infection Exposure Notification without Trust in Third Parties
Kenji Saito, Mitsuru Iwamura
In response to the COVID-19 pandemic, Bluetooth-based contact tracing has been deployed in many countries with the help of the developers of smartphone operating systems that provi…
Requirement Analyses and Evaluations of Blockchain Platforms per Possible Use Cases
Kenji Saito, Akimitsu Shiseki, Mitsuyasu Takada +11
It is said that blockchain will contribute to the digital transformation of society in a wide range of ways, from the management of public and private documents to the traceability…
Lightweight Selective Disclosure for Verifiable Documents on Blockchain
Kenji Saito, Satoki Watanabe
To achieve lightweight selective disclosure for protecting privacy of document holders, we propose an XML format for documents that can hide arbitrary elements using a cryptographi…
Proof of Authenticity of Logistics Information with Passive RFID Tags and Blockchain
Hiroshi Watanabe, Kenji Saito, Satoshi Miyazaki +4
In tracing the (robotically automated) logistics of large quantities of goods, inexpensive passive RFID tags are preferred for cost reasons. Accordingly, security between such tags…