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A multiple choice question, with days of the week as potential answers. Multiple choice (MC), [1] objective response or MCQ(for multiple choice question) is a form of an objective assessment in which respondents are asked to select only the correct answer from the choices offered as a list.
Blockchain has been acknowledged as a way to solve fair information practices, a set of principles relating to privacy practices and concerns for users. [5] Blockchain transactions allow users to control their data through private and public keys, allowing them to own it. [5] Third-party intermediaries are not allowed to misuse and obtain data. [5]
A blockchain has been described as a value-exchange protocol. [25] A blockchain can maintain title rights because, when properly set up to detail the exchange agreement, it provides a record that compels offer and acceptance. [citation needed] Logically, a blockchain can be seen as consisting of several layers: [26] infrastructure (hardware)
To overcome these shortcomings, taking a traditional database and adding blockchain features to it sounds more feasible. [6] That's how the concept of blockchain-based database came into existence, which consists of multiple member clouds riding on two primary layers; the first one is Database Interface and the second one is the Blockchain ...
First and most well-known blockchain of all; BTC is the most valuable token in terms of market share. [1] [2] Litecoin: Oct 8, 2011 Charlie Lee LTC PoW: Yes (scripts) Yes [1] [3] Peercoin: Aug 19, 2012 PPC PoW: Yes (scripts) No [1] [4] Primecoin: Jul 7, 2013 Sunny King XPM PoW: Work is finding long Cunningham chains of prime numbers: MazaCoin ...
For example, the blockchain data could, in principle and if regulatory structures permit it, replace public documents such as deeds and titles. [2]: 42 [3] In theory, a blockchain approach allows multiple cloud computing users to enter a loosely coupled peer-to-peer smart contract collaboration. [2]: 42 [12]
Ethereum is a decentralized blockchain with smart contract functionality. Ether (abbreviation: ETH [a]) is the native cryptocurrency of the platform. Among cryptocurrencies, ether is second only to bitcoin in market capitalization.
Wikipedia [c] is a free-content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki.