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Search Publications by: Dylan Yaga (Fed)

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Displaying 1 - 25 of 37

A Security Perspective on the Web3 Paradigm

February 25, 2025
Author(s)
Dylan Yaga, Peter Mell
Web3 is a proposed vision for the future of the internet that is restructured to be more user-centric with an emphasis on decentralized data. Users would own and manage their personal data, and systems would be decentralized and distributed. Digital tokens

Non-Fungible Token Security

March 1, 2024
Author(s)
Peter Mell, Dylan Yaga
Non-fungible token (NFT) technology provides a mechanism to enable real assets (both virtual and physical) to be sold and exchanged on a blockchain. While NFTs are most often used for autographing digital assets (associating one's name with a digital

Understanding Stablecoin Technology and Related Security Considerations

September 5, 2023
Author(s)
Peter Mell, Dylan Yaga
Stablecoins are cryptocurrencies whose price is pegged to that of another asset (typically one with low price volatility). The market for stablecoins has grown tremendously – up to almost $200 billion USD in 2022. These coins are being used extensively in

American Competitiveness Of a More Productive Emerging Tech Economy Act (The American COMPETE Act)

August 11, 2023
Author(s)
Commerce Secretary, Kevin A. Kimball, Matthew Hoehler, Anne Lane, Elham Tabassi, Connie LaSalle, Mark VanLandingham, James A. Warren, Naomi Lefkovitz, Nada T. Golmie, Chris Greer, Matthew Scholl, Dylan Yaga, Andrew C. Wilson, Kevin Stine, Karen Reczek, Institute for Defense Analyses Science and Technology Policy Institute (IDA STPI), Quantum Economic Development Consortium (QED-C), Federal Trade Commission (FTC)
Under DIVISION FF, Title XV, §1501 of the Consolidated Appropriations Act of 2021 (Public Law 116-260)—the "American Competitiveness Of a More Productive Emerging Tech Economy Act" (the "American COMPETE Act")—the United States Congress directed the

Blockchain Networks: Token Design and Management Overview

February 9, 2021
Author(s)
Loic D. Lesavre, Priam C. Varin, Dylan J. Yaga
Blockchain technology has enabled a new software paradigm for managing digital ownership in partial- or zero-trust environments. It uses tokens to conduct transactions, exchange verifiable data, and achieve coordination across organizations and on the web

Rethinking Distributed Ledger Technology

March 20, 2019
Author(s)
David R. Kuhn, Dylan J. Yaga, Jeffrey M. Voas
Blockchains were designed to solve the problem of double-spending in cryptocurrencies, and the success of the Bitcoin design has generated vastly more interest than previous proposals for digital currencies. Blockchains are being used in other areas as

One Block at a Time – Helping to Build Blockchain Knowledge

October 26, 2018
Author(s)
Dylan J. Yaga
This bulletin summarizes the information found in NISTIR 8202: Blockchain Technology overview which provides a high-level technical overview of blockchain technology. It discusses its application to cryptocurrency in depth, but also shows its broader

Blockchain Technology Overview

October 3, 2018
Author(s)
Dylan J. Yaga, Peter M. Mell, Nik Roby, Karen Scarfone
Blockchains are tamper evident and tamper resistant digital ledgers implemented in a distributed fashion (i.e., without a central repository) and usually without a central authority (i.e., a bank, company, or government). At their basic level, they enable

Pseudo-exhaustive Verification of Rule Based Systems

July 1, 2018
Author(s)
David R. Kuhn, Dylan J. Yaga, Raghu N. Kacker, Yu Lei, Chung Tong Hu
Rule-based systems are important in application domains such as artificial intelligence and business rule engines, as well as formal methods for software design. When translated into an implementation, simple expressions in rules may map to thousands of

Verification and Test Methods for Access Control Policies/Models

June 27, 2017
Author(s)
Chung Tong Hu, David R. Kuhn, Dylan J. Yaga
Access control systems are among the most critical of computer security components. Faulty policies, misconfigurations, or flaws in software implementations can result in serious vulnerabilities. To formally and precisely capture the security properties
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