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Secure Hierarchical Deterministic Wallet Supporting Stealth Address, Xin Yin, Zhen Liu, Guomin Yang, Guoxing Chen, Haojin Zhu
Secure Hierarchical Deterministic Wallet Supporting Stealth Address, Xin Yin, Zhen Liu, Guomin Yang, Guoxing Chen, Haojin Zhu
Research Collection School Of Computing and Information Systems
Over the past decade, cryptocurrency has been undergoing a rapid development. Digital wallet, as the tool to store and manage the cryptographic keys, is the primary entrance for the public to access cryptocurrency assets. Hierarchical Deterministic Wallet (HDW), proposed in Bitcoin Improvement Proposal 32 (BIP32), has attracted much attention and been widely used in the community, due to its virtues such as easy backup/recovery, convenient cold-address management, and supporting trust-less audits and applications in hierarchical organizations. While HDW allows the wallet owner to generate and manage his keys conveniently, Stealth Address (SA) allows a payer to generate fresh address (i.e., …
When Will Cryptocurrency’S Winter Come To An End?, Singapore Management University
When Will Cryptocurrency’S Winter Come To An End?, Singapore Management University
Perspectives@SMU
With the price of Bitcoin and other cryptocurrencies dropping dramatically, what is in store for the digital asset market?
The Cryptocurrency Participation Puzzle, Ran Duchin, David H. Solomon, Jun Tu, Xi Wang
The Cryptocurrency Participation Puzzle, Ran Duchin, David H. Solomon, Jun Tu, Xi Wang
Research Collection Lee Kong Chian School Of Business
We show that ongoing zero portfolio weights in cryptocurrency are surprisingly difficult to generate in a standard Bayesian portfolio theory framework. With ten years of prior data, equity market investors would need very pessimistic priors on mean returns to justify never having bought cryptocurrency: -10.6% per month for Bitcoin, and -19.6% per month for a diversified portfolio of cryptocurrencies. Moreover, most priors that involve never purchasing cryptocurrency imply that investors should short cryptocurrency. Optimal absolute weights are generally small but non-trivial (1-5%), frequently positive, and fairly smooth despite returns being volatile. Under a wide range of priors, the certainty equivalent …
Cryptocurrencies: Now What?, Wei Zhou, Fathurraman
Cryptocurrencies: Now What?, Wei Zhou, Fathurraman
Perspectives@SMU
New use cases could lead to wider adoption, but regulation and the transition to Web3 must be handled first
Regulating The Fintech Space, Jing Yang, Patrick Thng, Zhu Juntao, Kell Jay Lim
Regulating The Fintech Space, Jing Yang, Patrick Thng, Zhu Juntao, Kell Jay Lim
Perspectives@SMU
China gets to grips with fintech but still frowns upon cryptocurrencies. Regulation, blockchain technology, and central bank digital currencies will be under the spotlight amidst the crypto crash
Is The Crypto World Having Its Own 2008 Lehman Brothers Moment?, Eric Lim
Is The Crypto World Having Its Own 2008 Lehman Brothers Moment?, Eric Lim
Perspectives@SMU
Cryptocurrency markets have tumbled in recent times due to the age-old story of greed, arrogance and disregard for responsibility, writes UNSW Business School’s Eric Lim
Flight To Bitcoin, Yang Yu, Jinyuan Zhang
Flight To Bitcoin, Yang Yu, Jinyuan Zhang
Research Collection Lee Kong Chian School Of Business
This paper uncovers an overlooked motivation of Bitcoin investment: investors hold Bitcoin as an asset on which government authorities have limited influence. Consistent with this motivation, we document a flight-to-Bitcoin (FTB) phenomenon whereby local demand for Bitcoin increases with local economic policy uncertainties and Bitcoin ownership shifts from centralized exchanges to decentralized wallets amid such turbulence. FTB is driven by investors’ lack of confidence in government as FTB is stronger in countries where the confidence in government is low and corruption incidents surge. Finally, a comparison with safe-haven assets further differentiates FTB from flight-to-safety.