Bianews, July 23 news, according to a report by Cointelegraph, the Bank of Canada recently announced the results of a research on blockchain technology. This research focuses on modeling the consensus mechanism of blockchain technology to simulate honesty. And the behavior of dishonest miners, it is found that it is "unrealistic" to use the block confirmation time difference to carry out double-spending attacks.
The above research report checks whether digital ledgers such as blockchain are exempt from double payment-so-called double spending fraud. It is found that if a miner has more than 50% of the computing power, it has the ability to attack by 51%. In theory, Dishonest miners can carry out double-spending attacks, but from an economic point of view, in order to achieve this kind of fraud, dishonest miners must have strong financial resources and be "risk-neutral". Therefore, the report believes: "In reality, Users have little financial incentive to launch this kind of attack, especially when other miners have huge computational investments."
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