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Zerocoin is a privacy protocol proposed in 2013 by Johns Hopkins University professor Matthew D. Green and his graduate students, Ian Miers and Christina Garman. It was designed as an extension to the Bitcoin protocol that would improve Bitcoin transactions' anonymity by having coin-mixing capabilities natively built into the protocol.
On 30 July 2019, Zcoin formally departed from the zerocoin protocol by adopting a new protocol called "Sigma" that prevents counterfeit privacy coins from inflating coin supply. This is achieved by removing a feature called "trusted setup" from the zerocoin protocol. [31]
Zcash is a privacy-focused cryptocurrency which is based on Bitcoin's codebase. [4] It shares many similarities, such as a fixed total supply of 21 million units. [5] Transactions can be transparent, similar to bitcoin transactions, or they can be shielded transactions which use a type of zero-knowledge proof to provide anonymity in ...
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He specializes in applied cryptography, privacy-enhanced information storage systems, anonymous cryptocurrencies, elliptic curve crypto-systems, and satellite television piracy. He is a member of the teams that developed the Zerocoin anonymous cryptocurrency [1] and Zerocash. [2] He has also been influential in the development of the Zcash system.
(Reuters) -U.S. President Donald Trump on Thursday ordered the creation of a cryptocurrency working group tasked with proposing new digital asset regulations and exploring the creation of a ...
The Zerocash protocol uses a similar model (a variant known as a non-interactive zero-knowledge proof) [22] except that it can obscure the transaction amount, while Zerocoin cannot. Given significant restrictions of transaction data on the Zerocash network, Zerocash is less prone to privacy timing attacks when compared to Zerocoin.