The fall in the hashrate of the Bitcoin and Ethereum network due to the ban on mining in China

mining ban in china 2021The end of spring and early summer of 2021 in the world of cryptocurrencies will be remembered by everyone for the sharp redistribution of the mining market due to its ban in China, which, according to forecasts, accumulated more than 50% of the total hashrate of popular cryptocurrencies: Bitcoin and Ethereum. The peak values ​​of the hashrate of the BTC and ETH network were recorded at the end of May 2021: 643TH/s for Ethereum and 198Eh/s for Bitcoin. The Chinese government has launched a fight against mining due to energy savings and the development of cleaner production. And for this they need electricity from hydroelectric power plants, which almost entirely went to the operation of mining equipment. Since the ban on mining cryptocurrencies in China's Inner Mongolia region at the end of May and the largest mining area in Sichuan at the end of June 2021, hash rates of both cryptocurrencies have been falling steadily.
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The great mining migration

Binance NFT Marketplace - registration and use to purchase non-fungible tokens

binance nft marketplace Cryptocurrency company Binance from a conventional spot cryptocurrency exchange has taken a dominant position in the market by 2021, because in comparison with other companies, it offers the widest range of services in the cryptocurrency industry. The last service that became available on the Binance exchange was the NFT market (non-fungible token). You can read more about NFT and the history of the development of this direction in blockchain technologies in our other material: What is an NFT token? How to create, store, buy and sell crypto art? Due to the high interest in digital art nominated in NFT among crypto enthusiasts and collectors, the monthly volume of this market is estimated at $ 400 million in mid-2021, or about $ 5 billion in annual terms. At the same time, the entire world market for art or antiques for 2020 is estimated at $ 50 billion. In order not to miss a promising new market in the field of crypto technologies, Binance launched its own NFT market (auction) in June 2021 and, as always, with the highest level of service, reliability and opportunities for collectors and artists.
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Adapter PCI-E - MXM3.0 for installing mobile video cards in the PCI-Express x1 slot

mxm 3.0 pcie 1x adapter for mobile video cardsYou won't surprise anyone with cryptocurrency mining on laptops. Due to the ubiquitous imitation of conventional desktop graphics cards, powerful laptops with a discrete graphics card can pay off faster than a classic GPU mining rig. Discrete video cards in laptops can be soldered to one printed circuit board with a central processor, but there are laptop models in which the video card is installed as a separate device. Mobile video cards in such laptops use not the usual PCI-Express x16 slot, but a special MXM 3.0 interface, which is backward compatible with PCI-E using a simple voltage converter.
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AMD Radeon RX 6600 XT - hashrate on popular mining algorithms

radeon rx 6600 xt hashrate ethereum miningAMD has not yet had time to present its junior graphics card of the RDNA 2 generation - Radeon RX 6600 and Radeon RX 6600 XT, when all the technical characteristics of these video cards and prices have already become available on the network. As expected, the RX 6600 XT will have a 128-bit memory bus together with GDDR6 memory, which in terms of memory subsystem performance will be similar to the Radeon RX 580 video card currently popular in mining, which was actually released back in 2016 in the face of the RX 480. Actually, the upcoming novelty is us and compare the technical characteristics with the Radeon RX580 and try to predict the hashrate of the Radeon RX 6600XT video card based on the Ethash algorithm (Ethereum cryptocurrency) and other currently popular mining algorithms.
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Bitcoin price

Methods for detecting Nvidia Geforce RTX 30 video cards with LHR mining limiter

nvidia lhr mining hashrateIn May 2021, Nvidia decided to limit all its gaming video cards of the Ampere or RTX 3000 series (except for the oldest RTX 3090 model) in cryptocurrency mining performance. Therefore, the new models announced in May: Geforce RTX 3070 Ti and RTX 3080 Ti come with a mining limiter by default, and models RTX 3060 Ti, RTX 3070, 3080, which initially had no mining limits, starting from week 22 of 2021 are also released from a new revision of the GPU, which will also have built-in protection against mining. To distinguish between old (unlocked) and new (locked) revisions of video cards, Nvidia introduced a new term LHR (Lite Hash Rate). The RTX 3060 video card stands apart here, which was originally released with a mining limiter, but later this limitation was bypassed and NVidia had to release a new GPU revision for the RTX 3060 with stronger protection against mining, but at the same time, the RTX 3060 video card, like The RTX 3070 Ti and RTX 3080 Ti do not have the LHR designation in their names, although in fact they are. It becomes even more confusing because almost all brands that produce Nvidia video cards do not indicate on the box or in the name of the LHR model whether it is a video card or not. Actually, in this article, we will try to tell you by what signs it will be possible to distinguish LHR video cards from Nvidia, produced by various brands: ASUS, Palit, MSI, KFA2, Gigabyte, Inno3d.
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GoldShell LT5-PRO - updated ASIC miner for the Scrypt algorithm

asic scrypt goldshell lt5-proThe Goldshell company in August 2021 presented its updated model for joint mining of Litecoin and DogeCoin cryptocurrencies called Goldshell LT5-PRO. Compared to the previous model LT5, the hashrate of the PRO version increased by 20% (2450MH/s), but the power consumption also increased significantly from 2080W to 3100W, i.e. by 50%. Without tricky reflections, we can conclude that the Goldshell LT5-PRO is an overclocked version of the regular LT5 with a more powerful power supply and possibly selected Asic chips that can keep a higher operating frequency due to an increase in power consumption and a deterioration in the energy efficiency of mining in general. More information about the asik miner Goldshell LT5-PRO can be found on the official website goldshell.com.
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Canaan has released an updated ASIC miners Avalon A11S (A1166PRO-S and A1126PRO-S)

canaan avalon sha asic miner a11sCanaan launched the updated 11 line of Avalon ASIC miners under the name A11S, even though at the beginning of 2021 a new 12th generation of SHA-256 ASIC miners - Avalon A12 was presented. Which, in comparison with the A11, has made a small step in energy efficiency. Asics Avalon A11, by the way, were also launched relatively recently - just a year ago, in June 2020. If the 12th generation of Avalons really offered improved energy efficiency (38J/TH) compared to the 11th generation (from 42J/TH to 57J/TH, depending on the model), then the 2021 model range of the Canaan Avalon A11S asic miners, on the contrary, show slightly lower quality indicators of energy efficiency (46J/TH to 56J/TH depending on model) even compared to last year's A11. Therefore, the prefix S in the name A11S can be deciphered here as you like, but definitely not as Super.
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NBminer 39.0 - LHR Mining Protection Hacked

nbminer lhr hackThe latest version of NBminer 39.0 implements the function of increasing the hash rate for Nvidia video cards with built-in protection against LHR mining. LHR, recall, is the Lite Hash Rate due to which the hash rate of video cards based on the Dagger Hashimoto algorithm drops by 2 times. Unfortunately, NBminer 39.0 does not fully unlock video cards, but only 70% of their maximum capabilities. Those. if the RTX 3080 video card without LHR shows 100Mh/s, and with LHR 50Mh/s, then using the new version of NBminer on the RTX 3080 LHR video card you can get 70MH/s. With the inclusion of the function of bypassing the LHR restrictions, an increased power consumption of video cards is noted, which may be due to the replacement of previously used mathematical functions in the miner code with less efficient solutions, which increases the load on the GPU, but at the same time allows to partially bypass the hardware limitations in the mining of Geforce RTX 3000 video cards. You can download the latest version of NBminer on GitHub. P.S. We are waiting for the inevitable increase in the cost of video cards with LHR.
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Profitable ERGO mining on old Nvidia and AMD video cards

mining and hashrate of the ergo cryptocurrency on old video cardsThe ERGO cryptocurrency is currently one of the most profitable for mining on video cards, competing in profitability with the well-known Ethereum. ERGO, in contrast to ETH, has significantly lower equipment requirements, since even 2Gb of video memory is enough for ERGO mining. For Ethereum mining, we recall that your video card must have at least 5Gb of built-in fast memory. If you are the owner of old video cards with 4Gb video memory or less, then you should pay attention to ERGO cryptocurrency. In the direction of ERGO, it is worth looking especially to those miners who still have AMD Radeon HD 7970, R9 280X, R9 380X, Fury, R9 290X video cards, which cannot mine Ethereum due to a small video buffer, but at the same time have sufficiently powerful GPUs, which will allow get them a fairly large income when mining ERG. 
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The first hardfork, called Altair, is already being tested on the ETH2 Pyrmont test network, which is the first step toward combining the ETH1 and ETH2 networks.
https://github.com/ethereum/annotated-spec/blob/master/altair/beacon-chain.md