97 citations · 173 across the 6 of their papers we have counts for
4 papers · 1 filter
Combining IOTA and Attribute-Based Encryption for Access Control in the Internet of Things
Ruka Nakanishi, Yuanyu Zhang, Masahiro Sasabe +1
Unauthorized resource access represents a typical security threat in the Internet of things (IoT), while distributed ledger technologies (e.g., blockchain and IOTA) hold great prom…
Attribute-Based Access Control for Smart Cities: A Smart Contract-Driven Framework
Yuanyu Zhang, Mirei Yutaka, Masahiro Sasabe +1
Efficient and reliable access control in smart cities is critical for the protection of various resources for decision making and task execution. Existing centralized access contro…
Smart Contract-Based Access Control for the Internet of Things
Yuanyu Zhang, Shoji Kasahara, Yulong Shen +2
This paper investigates a critical access control issue in the Internet of Things (IoT). In particular, we propose a smart contract-based framework, which consists of multiple acce…
Effect of Bitcoin fee on transaction-confirmation process
Shoji Kasahara, Jun Kawahara
In Bitcoin system, transactions are prioritized according to transaction fees. Transactions without fees are given low priority and likely to wait for confirmation. Because the dem…