NTT Research CIS Lab to Showcase Re...
CIS Lab cryptographers involved in 18 papers at flagship conference Sunnyvale, Calif. – August 16, 2021 – NTT Research, Inc., a division of NTT (TYO:9432), today announced that members of its Cryptography & Information Security (CIS) Lab authored or co-authored 18 papers that are being delivered at Crypto 2021, one of the leading international conferences on cryptologic research. […]
Questions about Blockchain Fundamen...
The rising acceptance of cryptocurrency and non-fungible tokens (NFTs) makes this a good time to examine the blockchain technologies they rely on. The recent Financial Cryptography and Data Security 2021 conference (FC21), mentioned in this press release detailing NTT Research’s participation, is a good place to start. Addressed in the CIS Lab-related FC21 papers were […]
Forbes: Are Blockchains Vulnerable,...
Cryptocurrency and non-fungible tokens (NFTs) have grown in popularity in 2021. Bitcoin, the leading cryptocurrency, has soared again in value and picked up mainstream institutional support, even amidst continued volatility. NFTs have become hot collector’s items. The rising acceptance of cryptocurrency and NFTs makes this a good time to examine the blockchain technologies they rely […]
The Last Watchdog: MY TAKE – Agile ...
Encryption agility is going to be essential as we move forward with digital transformation. All of the technical innovation cybersecurity vendors are churning out to deal with ever-expanding cyber risks, at the end of the day, come down to protecting encrypted data. But cryptography historically has been anything but agile; major advances require years, if […]
The Last Watchdog: MY TAKE—Why mone...
We’ve barely scratched the surface of applying artificial intelligence and advanced data analytics to the raw data collecting in these gargantuan cloud-storage structures erected by Amazon, Microsoft and Google. But it’s coming, in the form of driverless cars, climate-restoring infrastructure and next-gen healthcare technology. In order to get there, one big technical hurdle must be […]
NFTs: A Case Study And A Cautionary...

Non-fungible tokens (NFTs), or unique blockchain-backed digital assets, have been making headlines recently thanks to their rising popularity and soaring valuations in the world of collectibles, art and sports. A Saturday Night Live parody of U.S. Treasury Secretary Janet Yellen interacting with “rappers” about NFTs confirmed their place in the popular culture of early 2021. […]
Ilan Komargodski on Multi-Party Com...

Ilan Komargodski joined the NTT Research Cryptography & Information Security (CIS) Lab in 2019. He is also a faculty member in the School of Computer Science and Engineering at the Hebrew University of Jerusalem. Before that, he spent two years at Cornell Tech, where he was hosted by Professors Rafael Pass and Elaine Shi. He […]
NTT Research Names Sanjam Garg Seni...
Award-winning computer scientist with interests in theory and new constructions joins like-minded team Sunnyvale, Calif. – May 26, 2021 – NTT Research, Inc., a division of NTT (TYO:9432), today announced that it has named Dr. Sanjam Garg a Senior Scientist in its Cryptography & Information Security (CIS) Lab. Dr. Garg is an Associate Professor in the department of […]
Blockchain’s Time-stamping – A Look...
In Kazuhiro Gomi’s latest Forbes article, he reviews the time-stamping origins of blockchain and points to smart contracts as a barometer of blockchain’s viability outside of the cryptocurrency realm. He also notes that blockchain is a work in progress. Academics are identifying theoretical weaknesses and pointing out ways to increase its efficiency. And many of […]
Defining the Future of Security: Ta...

Dr. Tatsuaki Okamoto is the Director of the NTT Research Cryptography & Information Security (CIS) Laboratory. An NTT Fellow, Dr. Okamoto has made extensive contributions to the field of cryptography. He has previously served as President of the Japan Society for Industrial and Applied Mathematics (JSIAM), Director of the International Association of Cryptology Research (IACR), […]
Planning Ahead for Post-Quantum Thr...
How close is quantum computing to threatening existing cryptosystems? Where do we stand on the development of defenses? And what can we do now? The good news is that the kind of quantum computing that could pose a threat is not close to the required scale and that there are viable post-quantum candidates. The bad […]
NTT Co-authored Papers at FC21 Reve...
Topics Include Selfish Mining Attacks, Differential Privacy and Block Confirmation in the Sleepy Model Sunnyvale, Calif. – February 24, 2021 – NTT Research, Inc., a division of NTT (TYO:9432), and NTT Secure Platform Laboratories, today announced that three papers co-authored by scientists in their groups will be presented at Financial Cryptography and Data Security 2021 (FC21), a virtual […]