The Ethereum 2.0 network based on consensus with Proof of Stake (PoS) is critically vulnerable to on-chain attacks. This is the conclusion reached by researchers at Stanford University and the Ethereum Foundation in a joint report. According to analysts, the exploit allows an attacker to reorganize the consensus chain and censor the Ethereum network. "... [the attack] allows an attacker with a vanishingly small proportion of coins stuck and a lack of control over the distribution of network messages to cause ... reorganizations of the consensus chain," the researchers say. According to experts, it is enough for an attacker to control only 19 validators to carry out an attack on the reorganization of the blockchain. Analysts also found out that in the current concept, the Ethereum 2.0 network is vulnerable to three main attacks: An increase in the profit of the validator during the short-term reorganization of the network, which delays the adoption of consensus decisions. Postponing the adoption of consensus decisions indefinitely. A combination of the above attacks for the purpose of long-term network reorganization. In addition, according to Adamant Capital founder Tur Demeester, the identified problems may eventually provoke skepticism on the part of the community towards the Ethereum 2.0 regulatory architecture. Recall, the Ethereum network's move towards the PoS consensus may take place as early as the second quarter of 2022. #Cryptocurrency
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