Yuto Takei
Information Security Officer
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolYuto Takei is an Information Security Officer at Mercari with 14 years of engineering experience and deep expertise in security, cryptography, and blockchain. He combines hands-on software architecture and cryptographic system design with policy and exam-writing experience as a committee member for Japan’s national IT certification programs. A former co-founder and CEO of blockchain analytics startup Basset and ex-CISO/head of blockchain engineering at bitFlyer, he has built products used by exchanges, regulators, and law enforcement. His academic pedigree includes advanced computer science degrees from The University of Tokyo and research stints in automated program verification and graph algorithms. Yuto is comfortable moving between research, startup execution, and corporate security leadership, and he often applies formal methods thinking to practical security problems. Based in Tokyo, he brings a rare mix of entrepreneurial grit, national-level exam stewardship, and cryptographic engineering.
14 years of coding experience
7 years of employment as a software developer
University of TokyoDoctor of Science, Computer Science, 4.5 (out of 4.5), Doctor of Science, Computer Science, 4.5 (out of 4.5) at Institute of Science Tokyo (Science Tokyo)Doctor of Philosophy - PhD, Computer Science, Doctor of Philosophy - PhD, Computer Science at Tokyo Institute of Technology
Japanese, English
Github Skills (26)
graph9
minimum9
azure9
graph-analysis8
blockchain8
bitcoin8
ocaml8
graph-algorithms8
microsoft7
server7
hot-reload7
microsoft-azure7
webpack7
cryptocurrency7
webpack-plugin7
Programming languages (7)
Github contributions (5)
bassetinc/bitcoin-core
Sep 2020 - Jun 2023
Contributions:1 review, 1 PR, 2 pushes in 2 years 9 months
yutopio/MinChain
Jan 2017 - May 2020
MinChain aims to be a minimum implementation of Bitcoin-like-blockchain for demonstration purpose.
Contributions:1 PR, 26 pushes, 10 branches in 3 years 4 months
blockchainpurposeminimumc-sharpcryptocurrency
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