Experts have found a vulnerability in zcash for. Anonymity of cryptocurrencies temporarily called into question
Source:
The Main feature of the zcash for protection. Operation owners private addresses are hidden in the blockchain, so learn the amounts of the transactions will not work. In this case, it is visible only to the operation time and amount of payments to miners. It turns out that the vulnerability is still there. Staff at University College London have found a way to reduce the safety of the users.
thethe Disadvantages of the cryptocurrency in practice
The finding reported members of the research team Metropolitan University — George Kappos, Haroon Yousaf, Mary Moller and Sarah Meiklejohn. It is reported .
To begin with, the theory. Zcash for offers two types of addresses — transparent t-address and protected z-addresses. Transactions between two users transparent address fully public. Between protected — anonymous.
The Transaction between different types of locations cause difficulties and allow you to get some data about the owner of the protected wallet. Here helps to analyze user behavior.
Our heuristic proved to be much less effective if the founders behaved less predictable when interacting with the pool. Through regular withdrawals of the same amount, it is possible to track the project from ordinary users.
As a result, the anonymity is reduced by 69.1 percent.
According to the researchers, they reported the results of the study developers. The latter is aware of the problem and promised to improve. Zcash for the team stressed that to reduce the threat of anonymity will help update the Sapling, which will be held after the Overwinter. The details of the approaching updates read .
In the course of bitcoin discovery is not affected. The coin remains at the level of $ 280.
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