منابع مشابه
Cryptocurrency Voting Games
This work shows that weighted majority voting games occur in cryptocurrencies. In particular, two such games are highlighted. The first game, which we call the Rule Game, pertains to the scenario where the entities in the system engage in a voting procedure to accept or reject a change of rules. The second game, which we call the Attack Game, refers to the scenario where a group of entities in ...
متن کاملCryptocurrency Mining – Transition to Cloud
Cryptocurrency, a form of digital currency that has an open and decentralized system and uses cryptography to enhance security and control the creation of new units, is touted to be the next step from conventional monetary transactions. Many cryptocurrencies exist today, with Bitcoin being the most prominent of them. Cryptocurrencies are generated by mining, as a fee for validating any transact...
متن کاملTowards Fairness of Cryptocurrency Payments
Motivated by the great success and adoption of Bitcoin, a number of cryptocurrencies such as Litecoin, Dogecoin, and Ethereum are becoming increasingly popular. Although existing blockchainbased cryptocurrency schemes can ensure reasonable security for transactions, they do not consider any notion of fairness. Fair exchange allows two players to exchange digital “items”, such as digital signatu...
متن کاملDesigning Proof of Transaction Puzzles for Cryptocurrency
One of the Bitcoin’s innovations is the Proof of Work puzzle (aka scratch-off puzzle) as a consensus protocol for anonymous networks without pre-established PKI. Bitcoins based on the Proof of Work puzzle have been harshly blamed today for problems such as energy wasted and not easily scalable. In this paper, we construct a novel Proof of Transaction(PoT) puzzle, and prove that PoT puzzle satis...
متن کاملImpact Investing
We show that investors derive utility from non-pecuniary characteristics of investments by studying impact funds, defined as venture or growth equity funds with dual objectives of generating financial returns and positive externalities. Impact funds earn internal rates of return that are 4.7% less than traditional VC funds in reduced form regressions. Based on estimates of a willingness to pay ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Journal of the British Blockchain Association
سال: 2019
ISSN: 2516-3949,2516-3957
DOI: 10.31585/jbba-2-2-(2)2019