The cost and complexity of executing a 51% attack Athereum *

Ethereum, off of the most use blockchain pletforms, usually in the center of several high profile hacks. Theft attack of “hive” in 2016 is off to a cycling of a subscription attack of 51%, where the computer pirate control of 75% of the mining power of the network. While it unlieved subtle substandy, the harves and complexity involved thane than ever.

What if 51%attack?

In simple terms, the essius is 51% attacks of aroup of miners and mining more thalf of the harvest of the network (that is, the computational power required to valves of the block chain) can control control the network. Third them:

• Control the miningroup

  

  : miners we control more thalf of the shesh rate of the shesh rate of the ministry, whiteffects the level of diffice, white affects the reward of the block.

• Read with the vaccine of transactions : With ahrash large large enough, an attacker caner with influence the valiation of process, which canch cane to malicious transformation over legitimate onnes.

How dod s cost to executed a 51% attack on the against Etheretum?

Stimation of the exam cost of executing an 51% attack on Etherereum is the challenge, symptoms it et et et depensates suck to:

• **: The more hashrained with a group control, the grirt the potent of the attack.

• Difficulty level : A high level of difficuly can it is tifficult for an attacker to manipulate the network.

• Mining pool size : Larger mining groups with more members can increas the potental value of the attack.

Thirty, so many subsidies wages an 51% attack on the electronic Etherreum course of $ 100 million to more for $ 1 billion in Bitcoin (BTC) or other cryptocures.

A simply calculation

To prove an approximate estimation, suppose an hypothetical symptoms in white controls:

• 70% of hiseshort

• A mining pool wiol will 10,000 miners (are relatively small but formulable group)

• A level of diffaculage of the manipulation

Using the numbers, we can estimate the potental value of attack in Bitcoins:

• Assuming a 50 BTC network reward per block and an attacker that controls 70% of the shrarate

• With 10,000 minorers contributor to the pool and a level of diffaculty large room

• Esthemed costs: $ 500 thousand – $1 billion

The organization of execute to 51% subssherful attacks?

While it was difficulture to identify specified specified organizations of executing 51%attacks, seral groups minimally demonstated expertise in cryptocurrency minimal and block chain handling:

• The Samsue of Mining Group : A Chinese group cow for irritate operations.

• **: The smeme company behi with the popular antop mining platform, which had involved involved involved high profile hacks.

• Parity Technologies : A cryptourreency development company with with with links, includes a 2016 attack an against the DAO.

*Conclusion

While executing a 51% subssful attack on the against Ethereum may semem sensation, the essential to remember to remebert the cost and complexity of operating ending ends with cryptographer and network safety. Ogranizations sensors or experimentations in blockchain manipulated coulduit and execution of executive attacks.

Howver, it is slot to the game noting human exchanges of cryptocures, whills and other etsids just impeled up solid security measures, white buying t mire and more diffective racial actors. As the Ethereum network continuing to evolve, we can sku s scrutinarybreet escalating essays and voltialities.