Shocking Sybil Attack Uncovered: Individual Controls Over 21,000 Wallets on zkSync Network
According to a recent X thread, it has recently come to light that an individual has orchestrated an incredibly sophisticated Sybil attack on zkSync, a layer-2 scaling solution for Ethereum.
This Sybil attack has given this individual control over a staggering 21,877 wallets within the network.
The individual's strategy involved a meticulously designed bot, which they utilized to execute various transactions within the zkSync network.
Notably, these transactions were not manually conducted but automated by the bot. This level of automation allowed for a high degree of precision in the attack.
One key aspect of this attack was the individual's ability to manipulate liquidity within the network. By adding liquidity themselves, this actor was able to evade issues related to slippage that might have otherwise occurred.
Consequently, they could execute a series of transactions on the zkSync Era network with remarkable efficiency and cost-effectiveness.
Furthermore, the individual behind this attack demonstrated a keen understanding of how to minimize costs. Despite accumulating an impressive volume of transactions across the 21,877 wallets, they managed to do so with minimal fees.
This calculated approach involved spending only 1.5 to 2 USD worth of ETH fees per wallet. Moreover, the attacker executed transactions at different intervals, including various months, weeks, and days, to mimic the behavior of legitimate users and other layer-2 projects, making their activities appear less suspicious.
However, it's important to note that despite the complexity of this Sybil attack, it did not go unnoticed. Lingland 09, a diligent observer in the crypto community, managed to track down a substantial portion of the 21,877 fake Sybil wallets
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