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Lately there have been a number of PoW-based Layer 1 crypto projects that were doing quite decent for mining with GPUs such as Kaspa (KAS), Radiant (RXD), IronFish (IRON) that are all now mineable on FPGAs and KAS even on ASIC miners, so, mining on GPUs kind of makes no sense for these projects. NEXA is also apparently soon to follow in their footsteps with FPGAs to support it, though even now not very profitable for mining on GPUs probably due to the recent listing on NiceHash. The good news is that GPU miners still do have a choice and there are some other interesting projects you can look into, one such relatively project is Neurai (XNA) and that one in particular is currently among the most profitable coins to be mined on Nvidia GPUs, though the profit is not insane, at least you should be on the plus side even at the moment.
According to the officia website the Neurai (XNA) aims to be a platform to enable harnessing the power of AI algorithms for efficient data analytics, predictive modelling, decision making and connectivity to IoT devices using blockchain assets. The project is based on the Ravencoin (RVN) code and uses the KAWPOW hashing algorithm for mining, so good news for GPU miners. Even though if you are familiar with that algorithm you would know it is not the most power efficient one, meaning higher usage compared to KAS as the algo is both GPU and memory intensive. Neurai (XNA) uses 1-minute block time and has 8 MB block size, the maximum number of XNA coins is 21 Billion and the project utilizes micro halvings with 5% every 10 days and it is expected that around 57% of the total coins will be mined in the first year. That is good news for everyone that jumps earlier into mining of buying some coins than later on.
Neurai (XNA) is mineable on multiple pools with the biggest one currently being Rplant with over half the network hashrate, though you can also mine on Neuraipool, Zergpool, Ekapool, Zpool and others. An exchange where you can already trade mined XNA coins is TxBit or you can get a bag and hold it while the price is still very low.
You can mine Neurai (XNA) on any mining software that supports the KAWPOW algorithm, though the latest updated software that has separate XNA support officially is bzMiner 15.4.0. Below you can find an example for mining XNA on Nvidia RTX 3070 GPU with a hashrate of about 29-30 MH/s per GPU using a moderate power limit of 150W, 1250 MHz GPU clock and +1000 MHz on the video memory:
bzminer -a xna -w YOUR_WALLET.WORKER_ID -p stratum+ssl://stratum-eu.rplant.xyz:17029 --nc 1 --oc_power_limit 150 --oc_lock_core_clock 1250 --oc_memory_clock_offset 1000
Do not forget to replace the YOUR_WALLET and WORKER_ID with your own in order to be able to actually mine, also the example uses Rplant as a mining pool. You can vary the hashrate up and down, bur for more you would also need to increase the power consumption without not that much of improvement in terms of hashrate, a good step down is to go for 120W power limit with lower memory and clock for if you want less power consumption.