Ethereum: how exactly was the original coefficient for difficulty determined?

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Understand Ethereum’s original difficulty coefficient: a historical vision

In the early days of Ethereum, Satoshi Nakamoto implemented a complex system to ensure that the decentralized network remained safe and fair. A key component of this system was the difficulty coefficient, which plays a crucial role in maintaining the stability and scalability of the block chain.

The original Ethereum difficulty coefficient was introduced as part of the work proof consensus mechanism (POW). At that time, the algorithm used to validate transactions was designed by Vitalik Buterin and his team, which worked closely with Nakamoto.

A historical context

In 2014, just over a year after the launch of Ethereum, Satoshi published an update on the technical document of Ethereum, which described the Pow consensus mechanism. In this publication, he mentioned that the difficulty coefficient intended to be proportional to the Network Hash rate. However, it was not until subsequent updates and debates within the Ethereum community that the exact formula to determine the difficulty coefficient began to take shape.

The formula

In an update of 2014, Nakamoto explained how the difficulty coefficient was determined: “The difficulty is the product of a constant factor, which we call K, multiplied by a variable that determines the level of difficulty. The value of this variable is typically the same to the hash rate of the network “.

In other words, if the hashrate of the network (the number of calculations required to extract a block) is 2x, then the difficulty coefficient would multiply by 2x. This helps to ensure that the mining process is challenging but not too difficult, which allows the validation of transactions and the creation of new blocks without taking too long.

A difficulty adjustment based on variables

As the Net has increased over time, Nakamoto implemented a variable -based difficulty adjustment system, which allows the difficulty coefficient to change in response to fluctuations in the hash rate of the network. This adjustment guarantees that the level of difficulty is proportional to the network load, preventing it from becoming too easy or too difficult.

A critical vision

The original Ethereum difficulty coefficient did not intend to have a fixed 10 -minute objective, but will dynamically adjust depending on the performance of the network. However, over time, Nakamoto and the Ethereum community began to discuss the idea of ​​establishing a more specific objective for the difficulty coefficient, such as 10 minutes.

In fact, in August 2015, Satoshi published an update that suggested establishing an objective level of 30 minutes, which would require significant increases in the hashrate of the network. However, this proposal was ultimately abandoned in favor of maintaining the current objective of around 15-20 seconds, which has since become the de facto standard for Ethereum.

Conclusion

The original Ethereum difficulty coefficient was a key component of the work proof consensus mechanism, designed to maintain the stability and scalability of the network. Although a fixed 10 -minute objective was initially established, over time the community began to discuss the adjustment of the difficulty coefficient dynamically in response to changes in network performance. Today, the objective level of difficulty remains around 15-20 seconds, with some proposals that suggest adjustments to 10 minutes in the future.