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相关论文: Bitcoin, Currencies, and Fragility

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Two taxonomies of money that include cryptocurrencies are analyzed. A definition of the term cryptocurrency is given and a taxonomy of them is presented, based on how its price is fixed. The characteristics of the use of current fiat money…

综合金融 · 定量金融 2020-02-21 Jorge Barrera

Crypto-coins (also known as cryptocurrencies) are tradable digital assets. Notable examples include Bitcoin, Ether and Litecoin. Ownerships of cryptocoins are registered on distributed ledgers (i.e., blockchains). Secure encryption…

统计金融 · 定量金融 2022-12-05 Pasquale De Rosa , Valerio Schiavoni

Historically, gold and silver have played distinct roles in traditional monetary systems. While gold has primarily been revered as a superior store of value, prompting individuals to hoard it, silver has commonly been used as a medium of…

计算工程、金融与科学 · 计算机科学 2025-08-11 Haoyang Yu , Yutong Sun , Yulin Liu , Luyao Zhang

We consider the hedging problem where a futures position can be automatically liquidated by the exchange without notice. We derive a semi-closed form for an optimal hedging strategy with dual objectives - to minimise both the variance of…

风险管理 · 定量金融 2021-08-11 Carol Alexander , Jun Deng , Bin Zou

Although Bitcoin was intended to be a decentralized digital currency, in practice, mining power is quite concentrated. This fact is a persistent source of concern for the Bitcoin community. We provide an explanation using a simple model to…

密码学与安全 · 计算机科学 2018-11-22 Nick Arnosti , S. Matthew Weinberg

The world economy is experiencing the novel adoption of distributed currencies that are free from the control of central banks. Distributed currencies suffer from extreme volatility, and this can lead to catastrophic implications during…

密码学与安全 · 计算机科学 2022-06-22 Jacques Bou Abdo , Shuvalaxmi Dass , Basheer Qolomany , Liaquat Hossain

The application of Bitcoin enables people to understand blockchain technology gradually. Bitcoin is a decentralized currency that does not rely on third-party credit institutions, and the core of Bitcoin's underlying technology is…

密码学与安全 · 计算机科学 2025-04-15 Yuhuan Yang , Shipeng Ye , Xiaoqi Li

In relation to the traditional financial markets, the cryptocurrency market is a recent invention and the trading dynamics of all its components are readily recorded and stored. This fact opens up a unique opportunity to follow the…

统计金融 · 定量金融 2023-05-11 Stanisław Drożdż , Jarosław Kwapień , Marcin Wątorek

In this paper we revisit some major orthodoxies which lie at the heart of the bitcoin crypto currency and its numerous clones. In particular we look at The Longest Chain Rule, the monetary supply policies and the exact mechanisms which…

密码学与安全 · 计算机科学 2014-12-11 Nicolas T. Courtois

Non-Fungible Tokens (NFTs) are a new development in blockchain technology. News around NFTs is surrounded by skepticism because unrealistically high prices are being paid online for these NFTs which are in the form of apparently simple…

网络与互联网体系结构 · 计算机科学 2022-08-10 Najam A. Anjum , Mubashir Husain Rehmani

To the knowledge of the author, this is the first time it has been shown that interest rates that are extremely high by modern standards (100% and higher) are necessary within a zero-sum monetary system, and not just driven by greed.…

计算工程、金融与科学 · 计算机科学 2018-10-02 Brian P. Hanley

Quantum computation represents a threat to many cryptographic protocols in operation today. It has been estimated that by 2035, there will exist a quantum computer capable of breaking the vital cryptographic scheme RSA2048. Blockchain…

量子物理 · 物理学 2021-05-06 Joseph J. Kearney , Carlos A. Perez-Delgado

Bitcoin uses blockchain technology to maintain transactions order and provides probabilistic guarantee to prevent double-spending, assuming that an attacker's computational power does not exceed %50 of the network power. In this paper, we…

密码学与安全 · 计算机科学 2024-11-19 Ghader Ebrahimpour , Mohammad Sayad Haghighi

Bitcoin brings a new type of digital currency that does not rely on a central system to maintain transactions. By benefiting from the concept of decentralized ledger, users who do not know or trust each other can still conduct transactions…

密码学与安全 · 计算机科学 2019-09-17 Zhimin Gao , Lei Xu , Keshav Kasichainula , Lin Chen , Bogdan Carbunar , Weidong Shi

We analyze the first and second moment risk premia in the Bitcoin market based on options and realized returns and contrast them to the premia embedded in the main US stock index market. First, Bitcoin is much more volatile and has a higher…

综合经济学 · 经济学 2025-08-04 Caio Almeida , Maria Grith , Ratmir Miftachov , Zijin Wang

In this paper, we explore some stylized facts of the Bitcoin market using the BTC-USD exchange rate time series of historical intraday data from 2013 to 2020. Bitcoin presents some very peculiar idiosyncrasies, like the absence of…

统计金融 · 定量金融 2024-09-04 F. N. M. de Sousa Filho , J. N. Silva , M. A. Bertella , E. Brigatti

Bitcoin as well as other cryptocurrencies are all plagued by the impact from bifurcation. Since the marginal cost of bifurcation is theoretically zero, it causes the coin holders to doubt on the existence of the coin's intrinsic value. This…

综合经济学 · 经济学 2019-04-11 Zhiyong Tu , Lan Ju

We show Bitcoin implied volatility on a 5 minute time horizon is modestly predictable from price, volatility momentum and alternative data including sentiment and engagement. Lagged Bitcoin index price and volatility movements contribute to…

统计金融 · 定量金融 2020-10-30 Faizaan Pervaiz , Christopher Goh , Ashley Pennington , Samuel Holt , James West , Shaun Ng

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

Much significant research has been done to investigate various facets of the link between Bitcoin price and its fundamental sources. This study goes beyond by looking into least to most influential factors-across the fundamental,…

计算金融 · 定量金融 2017-07-06 Jamal Bouoiyour , Refk Selmi