武宮誠
日本, Japan
Summary
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Rockstar武宮誠 is a Japan-based technology leader and researcher with nine years of professional experience who currently serves as CEO of Soramitsu and a visiting researcher at the University of Tokyo. He holds a Ph.D. in Interdisciplinary Information Studies and an MS in Computer Science, blending deep academic background with hands-on blockchain and AI engineering. His contributions to Hyperledger Iroha show practical expertise in building core distributed-ledger primitives—transaction/block structures, caching, and networking—demonstrating comfort with low-level, performance-sensitive backend systems. He works at the intersection of blockchain, NLP, neuroinformatics and logistics, applying research-grade methods to product-grade systems. Outside of executive duties he remains an active open-source contributor and academic, a mix that helps him translate cutting-edge research into production-ready decentralized infrastructure.
9 years of coding experience
Github Skills (15)
distributed-ledger10
modeler10
transaction10
distributed-systems10
c-language10
rust10
cprogramming-language10
modello10
back-end-development10
networking10
aeron10
modeling10
blockchain10
distributed-ledger-technology10
consensus8
Programming languages (10)
Github contributions (5)
hyperledger-iroha/iroha-dco
Sep 2016 - Nov 2017
Iroha - A simple, decentralized ledger
Role in this project:
Back-end Developer
Back-end DeveloperContributions:577 commits, 147 PRs, 361 pushes in 1 year 2 months
Contributions summary:The user, "mizuki", primarily contributed to the core functionality of the Iroha decentralized ledger by implementing, and adding code. The changes included implementing features related to peer connections, and modifications of consensus algorithm. The user appears to be developing the core parts of the project using C++ and Aeron.
ssidltconsensusp2piroha
hyperledger-iroha/iroha
Feb 2020 - Oct 2020
Iroha: A cutting-edge, enterprise-grade decentralized ledger
Role in this project:Back-end Developer
Back-end DeveloperContributions:86 reviews, 15 commits, 42 PRs in 7 months
Contributions summary:武宮誠 contributed to the foundational structure of the Iroha project, primarily focusing on setting up basic files and outlining the architecture for Iroha v2. They introduced core data structures such as `MSTCache` and `PendingTxCache`, along with initial networking components. Further commits involved implementing the fundamental building blocks for the Iroha blockchain, including transaction and block structures, establishing the initial workings of the system.
dltdecentralizeddistributed-ledgerblockchain-networkhyperledger
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