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The current blockchain system for cryptocurrency exchanges primarily employs elliptic curve cryptography (ECC) for generating key pairs in wallets, and elliptic curve digital signature algorithms (ECDSA) for generating signatures in…

密码学与安全 · 计算机科学 2025-09-16 Abel C. H. Chen

In this paper, we use a variety of machine learning methods to quantify the extent to which economic and technological factors are predictive of the progression of Central Bank Digital Currencies (CBDC) within a country, using as our…

机器学习 · 计算机科学 2021-02-24 Toshiko Matsui , Daniel Perez

Quantum computer is no longer a hypothetical idea. It is the worlds most important technology and there is a race among countries to get supremacy in quantum technology. Its the technology that will reduce the computing time from years to…

密码学与安全 · 计算机科学 2022-04-07 Manish Kumar

Blockchains have gained substantial attention from academia and industry for their ability to facilitate decentralized trust and communications. However, the rapid progress of quantum computing poses a significant threat to the security of…

密码学与安全 · 计算机科学 2024-09-04 Zebo Yang , Haneen Alfauri , Behrooz Farkiani , Raj Jain , Roberto Di Pietro , Aiman Erbad

Two of the most important technological advancements currently underway are the advent of quantum technologies, and the transitioning of global financial systems towards cryptographic assets, notably blockchain-based cryptocurrencies and…

证券定价 · 定量金融 2021-02-02 Peter P. Rohde , Vijay Mohan , Sinclair Davidson , Chris Berg , Darcy Allen , Gavin K. Brennen , Jason Potts

Stablecoins and central bank digital currencies are on the horizon in Asia, and in some cases have already arrived. This paper provides new analysis and a critique of the use case for both forms of digital currency. It provides time-varying…

综合经济学 · 经济学 2022-02-16 Barry Eichengreen , Ganesh Viswanath-Natraj

Cryptocurrency refers to a type of digital asset that uses distributed ledger, or blockchain, technology to enable a secure transaction. Although the technology is widely misunderstood, many central banks are considering launching their own…

计算金融 · 定量金融 2020-07-30 Wolfgang Karl Härdle , Campbell R. Harvey , Raphael C. G. Reule

The financial sector faces escalating cyber threats amplified by artificial intelligence (AI) and the advent of quantum computing. AI is being weaponized for sophisticated attacks like deepfakes and AI-driven malware, while quantum…

密码学与安全 · 计算机科学 2025-03-21 Ahmed M. Elmisery , Mirela Sertovic , Andrew Zayin , Paul Watson

Crypto-wallets or digital asset wallets are a crucial aspect of managing cryptocurrencies and other digital assets such as NFTs. However, these wallets are not immune to security threats, particularly from the growing risk of quantum…

密码学与安全 · 计算机科学 2023-08-30 Yathin Kethepalli , Rony Joseph , Sai Raja Vajrala , Jashwanth Vemula , Nenavath Srinivas Naik

Quantum money represents an innovative approach to currency by encoding economic value within the quantum states of physical systems, utilizing the principles of quantum mechanics to enhance security, integrity, and transferability. This…

量子物理 · 物理学 2025-07-15 Artur Czerwinski

Bitcoin is the world's first decentralized digital currency. Its main technical innovation is the use of a blockchain and hash-based proof of work to synchronize transactions and prevent double-spending the currency. While the qualitative…

密码学与安全 · 计算机科学 2014-02-12 Meni Rosenfeld

Most currently used cryptographic tools for protecting data are based on certain computational assumptions, which makes them vulnerable with respect to technological and algorithmic developments, such as quantum computing. One existing…

量子物理 · 物理学 2023-04-28 Aleksey K. Fedorov

Centralized monetary policy, leading to persistent inflation, is often inconsistent, untrustworthy, and unpredictable. Algorithmic stablecoins enabled by blockchain technology are promising in solving this problem. Algorithmic stablecoins…

综合经济学 · 经济学 2022-01-17 Luyao Zhang , Yulin Liu

Blockchain and other Distributed Ledger Technologies (DLTs) have evolved significantly in the last years and their use has been suggested for numerous applications due to their ability to provide transparency, redundancy and accountability.…

密码学与安全 · 计算机科学 2024-02-05 Tiago M. Fernandez-Carames , Paula Fraga-Lamas

The digital currency Bitcoin has had remarkable growth since it was first proposed in 2008. Its distributed nature allows currency transactions without a central authority by using cryptographic methods and a data structure called the…

量子物理 · 物理学 2020-09-28 Jonathan Jogenfors

Central banks are actively exploring central bank digital currencies (CBDCs) by conducting research, proofs of concept and pilots. However, adoption of a retail CBDC can risk fragmenting both payments markets and retail deposits if the…

计算机与社会 · 计算机科学 2025-01-14 Lee Braine , Shreepad Shukla , Piyush Agrawal

With the constantly advancing capabilities of quantum computers, conventional cryptographic systems relying on complex math problems may encounter unforeseen vulnerabilities. Unlike regular computers, which are often deemed cost-ineffective…

密码学与安全 · 计算机科学 2024-09-18 Emils Bagirovs , Grigory Provodin , Tuomo Sipola , Jari Hautamäki

Digital signatures are crucial for securing Central Bank Digital Currencies (CBDCs) transactions. Like most forms of digital currencies, CBDC solutions rely on signatures for transaction authenticity and integrity, leading to major issues…

密码学与安全 · 计算机科学 2026-05-06 Mostafa Abdelrahman , Filip Rezabek , Lars Hupel , Kilian Glas , Georg Carle

The U.S. dollar's status as the global reserve currency faces growing challenges from a 36 trillion dollar national debt, geopolitical shifts, and the emergence of digital currencies. This paper introduces the Quantum Reserve Token (QRT), a…

综合经济学 · 经济学 2025-03-31 Amarendra Sharma

As quantum computing advances toward practical deployment, it threatens a wide range of classical cryptographic mechanisms, including digital signatures, key exchange protocols, public-key encryption, and certain hash-based constructions…

密码学与安全 · 计算机科学 2025-12-16 Tushin Mallick , Maya Zeldin , Murat Cenk , Cristina Nita-Rotaru