According to research by Coin Metrics, a 51% attack is no longer possible for Bitcoin (BTC) and Ethereum (ETH).
Network in Bitcoin and Ethereum representing a 51% risk of being compromised The “51% attack” was eliminated due to astronomical costs.
In the current report presented by blockchain research company Coin Metrics, Bitcoin and Ethereum 51% And 34% of attacks It is not economically possible place was given.
51% attack on current status of Bitcoin and Ethereum prices It will bring investments worth billions of dollars to make it sustainable. It was also stated that such an attack would need to be carried out in cooperation with hardware manufacturers.
Describing this situation as improbable, Coin Metrics stated that it would be necessary to produce the required number of ASIC mining units to gain control. to more than 20 billion dollars He stated that it would cost.
In the report On December 31, 2023 to the Ethereum network At a 34% attack estimated to be found to $34.39 billion It was stated that it would cost. those days price 2,279 was dollar and this cost increased over time as the Ethereum price increased.