複選題
22. (AB) This creates a decentralized distribution chain that gives everyone access to the document at the same time
(AC) It makes the history of any digital asset unalterable and transparent through the use of decentralization and cryptographic hashing
(AD) The “proof of work” system that bitcoin uses to validate transactions, for example, consumes vast
amounts of computational power
(AE) In Bitcoin’s case, blockchain is used in a decentralized way so that no single person or group has
control—rather, all users collectively retain control
(BC) With solutions to this issue being in development for years, there are currently blockchains that are
boasting over 30,000 transactions per second
(BD) It differs from a typical database in the way it stores information by keeping data in blocks that are then chained together
(BE) At that rate, it’s    estimated    that the blockchain network can only manage about seven transactions per second

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統計： A(24), B(48), C(9), D(17), E(37) #2685836

詳解 (共 2 筆)

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Bitcoin’s “proof of ...
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Also, blockchain is not efficient enough. Bitcoin is a perfect case study for the possible inefficiencies of blockchain. Bitcoin’s “proof of work” system takes about ten minutes to add a new block to the blockchain. At that rate, it’s    estimated    that the blockchain network can only manage about seven transactions per second. Finally, while confidentiality on the blockchain network protects users from hacks and preserves privacy, it also allows for illegal trading and activity on the blockchain network.
此外，區塊鏈效率不夠高。 比特幣是區塊鏈可能效率低下的完美案例研究。 比特幣的“工作量證明”系統大約需要十分鐘才能將新區塊添加到區塊鏈中。 按照這個速度，估計區塊鍊網絡每秒只能管理大約七筆交易。最後，雖然區塊鍊網絡的機密性可以保護用戶免受黑客攻擊並保護隱私，但它也允許在區塊鍊網絡上進行非法交易和活動。

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