27 citations · 86 across the 13 of their papers we have counts for
6 papers · 1 filter
Trail: A Blockchain Architecture for Light Nodes
Ryunosuke Nagayama, Ryohei Banno, Kazuyuki Shudo
In Bitcoin and Ethereum, nodes require large storage capacity to maintain all the blockchain data, such as transactions, UTXOs, and account states. As of May 2020, the storage size…
Identifying Impacts of Protocol and Internet Development on the Bitcoin Network
Ryunosuke Nagayama, Kazuyuki Shudo, Ryohei Banno
Improving transaction throughput is an important challenge for Bitcoin. However, shortening the block generation interval or increasing the block size to improve throughput makes i…
A Framework for Model Search Across Multiple Machine Learning Implementations
Yoshiki Takahashi, Masato Asahara, Kazuyuki Shudo
Several recently devised machine learning (ML) algorithms have shown improved accuracy for various predictive problems. Model searches, which explore to find an optimal ML algorith…
Proximity Neighbor Selection in Blockchain Networks
Yusuke Aoki, Kazuyuki Shudo
Blockchains have attracted a great deal of attention as a technology for the distributed management of register information at multiple nodes without a centralized system. However,…
SimBlock: A Blockchain Network Simulator
Yusuke Aoki, Kai Otsuki, Takeshi Kaneko +2
Blockchain, which is a technology for distributedly managing ledger information over multiple nodes without a centralized system, has elicited increasing attention. Performing expe…
Towards Application Portability on Blockchains
Kazuyuki Shudo, Reiki Kanda, Kenji Saito
We discuss the issue of what we call {\em incentive mismatch}, a fundamental problem with public blockchains supported by economic incentives. This is an open problem, but one pote…