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Nvidia LHR broken?  A simple tool can bypass security

Nvidia LHR broken? A simple tool can bypass security

Hardware and soft
February 23, 2022, 11:45 am

The introduction of Lite Hash Rate cards has made more players get their hands on new gear. However, a tool has appeared on the network that claims to bypass the LHR protection used in graphics cards.


After information about the alleged LHR security circumvention tool was published, it started appearing in the mining community serious doubts.

An account on the GitHub platform, which has only been around for 4 days, has been taken under the microscope. Announcing the release date itself may also be a warning sign, which is likely to cause a lot of noise to attract as many people as possible to download. Nobody really knows how the software will work, which is not known when it comes to the privacy of the people who decide to use it.

original message

Nvidia introduced graphics cards with LHR (Lite Hash Rate) technology, which was intended to discourage crypto miners from buying them. The models must eventually fall into the players’ hands. However, a tool was createdIt is a circumvention of this security.

Engraving on LHR بطاقات cards

a tool NVIDIA RTX LHR v2 Unlocker It is claimed to modify the BIOS of the GeForce RTX 3000 and Quadro RTX graphics cards to remove the Ethereum mining performance limit. It’s not yet available. According to author SergeyDev, the planned release date for the early version is February 26.

Changes to the BIOS will not be enough to unlock the full potential of mining – you will also need modified graphics drivers from Sergey.

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What is Lite Hash Rate?

LHR is a security measure that detects when a card is being used for Ethereum mining and automatically halves its performance. As a result, these structures are (in theory) not profitable for miners.

New tool bypasses Nvidia mining protection - Illustration #1

Supported RTX cards and their performance. Source: Project website on Github

You can buy Nvidia graphics cards here

Assuming this would be an effective way to remove the blockade of the LHR, people who take advantage of this solution will see an increase of up to 50% in their hash rate. This is a bit concerning given that the LHR technology was introduced specifically with the aim of making it difficult to mine cryptocurrencies on these cards.

At the same time, it should be remembered that in the coming months, Ethereum will switch to the Proof of Stake system, the mining of which does not require much computing power.

New tool bypasses Nvidia mining protection - Illustration #2

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