The Cast XMR CryptoNight GPU miner for AMD RX VEGA 56/64 GPUs has just been updated to version 0.9.1 with a slight performance improvement of 0.5% overall for Vega-based GPUs according to the developer of the software. The previous version 0.9.0 from eralier this month has already added support for the upcoming CryptoNightv7 fork for Monero (XMR) and other coins in the view of the new wave of ASIC miners targeting that crypto algorithm. Do note that Cast XMR is a closed source miner available as a binary only for 64-bit Windows and comes with a 1.5% developer fee. It is originally optimized for ADM RX VEGA GPUs using the Blockchain driver, though it should also work fine on other AMD RX series of GPUs.

Cast XMR should be able to autodetect and switch between CryptoNight and CryptoNightV7 on Monero (XMR) and most other coisn that decide to fork as well, though there is also an option available to switch manually to the desired version of the CryptoNiht algorithm in case there is an issue with the autodetection (use the --algo command line option). Currently it seems that the only GRAFT is having trouble working properly with the autodetection mechanism, so it is advised to manually select the version for the moment. GRAFT has not yet forked, so it is currently still using the old CryptoNight version and not the new V7 as are pretty much all other coins that have already announced their plans to also fork to v7. Just as a reminder, Monero (XMR) will fork at block 1546000 or around April 4th and that is less than two weeks away.

To download and try the latest version 0.9.1 of the Cast XMR miner for CryptoNight coins with support for V7…

There are just a few days left until the fork of Monero (XMR) to CryptoNightV7 to make it again ASIC resistant and you might want to be ready for mining it after the fork, especialyl if you have ADM RX VEGA GPUs. So far the latest Claymore’s CryptoNote AMD GPU Miner does not yet have support for CryptoNightV7, but for VEGA GPUs you probably are using XMR-stak (also not ready) or Cast-XMR or the more recently announced Xrig. The last two have already been updated and their latest versions do come with support for CryptoNightV7, so you should update to Xrig 0.8.1 and Cast XMR 0.9.1 in order to be sure you are ready for the fork. Although these miners are optimized especially for VEGA mining, they should work on other AMD RX series of GPUs like 470/480 and 570/580 for example, so until a Claymore adds CryptoNightV7 support you can try using these miners as well. After Monero forks to the new CryptoNightV7 POW other coins are also expected to do the same and remain to be ASIC proof. The upcoming Monero (XMR) fork to CryptoNight v7 is scheduled for block 1546000 which should happen some time around 2018-04-06 (April 4th), so less than 2 weeks left until the fork.

It seems that some people think that Bitmain has lowered the prices of their upcoming Antminer X3 Cryptonight ASIC miners, however that is not true, the company has just released new Batches 3 and 4 for pre-order and has removed the first two super expensive ones. Batch 1 of the Antminer X3 had a price of $11999 USD and should start shipping by the end of May and Batch 2 had a price of $7599 USD by the end of June. The prices of the first two batches are very important as well as their shipping dates are tied to the two new batches, so for example the new Antminer X3 Batch 3 with a price of just $3000 USD should start shipping after Batch 1 and the new Antminer X3 Batch 4 with a price of just $1900 USD should start shipping after Batch 2.

What Bitmain already did was screw over anyone that has ordered their Batch 2 devices as the new Batch 3 of the Antminer X3 Cryptonight ASIC should ship faster and at less than half the price. Actually the same goes for pretty much anyone that has ordered or plans to order any of the batches of the Antminer X3 Cryptonight ASIC miners from Bitmain, so consider wisely if you still have not purchased any, but are considering it. As we have already mentioned Monero (XMR) and a number of other CryptoNight coins are planning to fork to a new CryptoNightV7 POW that should make any of the current CryptoNight ASIC miners unusable, so a pretty risky thing to pre-order ASIC mining hardware at the moment and wait for it for a few months.

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