NBMiner v31.1: Nvidia GPU miner for Ethash, Kawpow, Grin32, Cuckatoo32 etc

NBMiner v26.2 - улучшение производительности на монетах ETH и CKB

GitHub: DOWNLOAD NBMiner v31.1

NBMiner v31.1 – GPU Crypto Miner for ETH, RVN, GRIN, TRB, CKB,AE, BTM, SERO, HNS, BFC, SIPC

  • new algo: cuckatoo32 for Grin32 on Nvidia 8G above GPUs
  • kawpow: support for NiceHash‘s extranonce.subscribe protocol
  • 新增算法: cuckatoo32 用于Grin32,支持Nvidia 8G及以上显卡
  • kawpow: 增加对NiceHashextranonce.subscribe协议支持

Характеристики NBMiner

  • Поддержка Windows и Linux.
  • Поддержка резервного майнинга пула.
  • Поддержка SSL-соединения с майнинг-пулами.
  • Плата за разработку (DevFee):
    • tensority(Pascal) 2%, tensority(Turing) 3%, tensority_ethash 3%
    • ethash 1%
    • cuckaroo & cuckarood & cuckatoo & cuckatoo32 & cuckoo_ae & cuckaroo_swap 2%
    • progpow_sero 2%
    • sipc 2%
    • eaglesong 2%, eaglesong_ethash 3%
    • bfc 3%
    • hns 2%, hns_ethash 3%
    • trb 2%, trb_ethash 3%
    • kawpow 2%


NVIDIA Driver version: >= 377.

GPU Specific Requirements:

AlgorithmCoinCompute CapabilityMemory (Win7 & Linux)Memory (Win10)
tensorityBTM6.1, 7.0, 7.51GB1GB
ethashETH6.0, 6.1, 7.0, 7.54GB4GB
tensority_ethashBTM+ETH6.1, 7.0, 7.54GB4GB
cuckaroo(d)GRIN296.0, 6.1, 7.0, 7.55GB6GB
cuckatooGRIN316.0, 6.1, 7.0, 7.58GB10GB
cuckatoo32GRIN326.0, 6.1, 7.0, 7.58GB10GB
cuckoo_aeAE6.0, 6.1, 7.0, 7.55GB6GB
cuckaroo_swapSWAP6.0, 6.1, 7.0, 7.55GB6GB
progpow_seroSERO6.0 – 7.52GB2GB
sipcSIPC6.0, 6.1, 7.0, 7.51GB1GB
eaglesongCKB6.0, 6.1, 7.0, 7.50.1GB0.1GB
eaglesong_ethashCKB+ETH6.0, 6.1, 7.0, 7.54GB4GB
bfcBFC6.0, 6.1, 7.0, 7.55GB6GB
hnsHNS6.0, 6.1, 7.0, 7.50.1GB0.1GB
hns_ethashHNS+ETH6.0, 6.1, 7.0, 7.54GB4GB
trbTRB6.0, 6.1, 7.0, 7.50.1GB0.1GB
trb_ethashTRB+ETH6.0, 6.1, 7.0, 7.54GB4GB
kawpowRVN6.0, 6.1, 7.0, 7.53GB3GB



  • f2pool: nbminer -a tensority -o stratum+tcp://btm.f2pool.com:9221 -u bm1xxxxxxxxxx.worker
  • antpool: nbminer -a tensority -o stratum+tcp://stratum-btm.antpool.com:6666 -u username.worker
  • matpool.io: nbminer -a tensority -o stratum+tcp://btm.matpool.io:8118 -u bm1xxxxxxxxxxx.worker


  • ethermine: nbminer -a ethash -o ethproxy+tcp://asia1.ethermine.org:4444 -u 0x12343bdgf.worker
  • sparkpool: nbminer -a ethash -o ethproxy+tcp://cn.sparkpool.com:3333 -u 0x12343bdgf.worker
  • f2pool: nbminer -a ethash -o ethproxy+tcp://eth.f2pool.com:8008 -u 0x12343bdgf.worker
  • nanopool: nbminer -a ethash -o ethproxy+tcp://eth-asia1.nanopool.org:9999 -u 0x12343bdgf.worker
  • nicehash: nbminer -a ethash -o nicehash+tcp://daggerhashimoto.eu.nicehash.com:3353 -u btc_address.worker


  • f2pool: nbminer -a tensority_ethash -o stratum+tcp://btm.f2pool.com:9221 -u btm_address.btm_worker -do ethproxy+tcp://eth.f2pool.com:8008 -du eth_address.eth_worker


  • sparkpool: nbminer -a cuckarood -o stratum+tcp://grin.sparkpool.com:6666 -u 123@qq.com/worker
  • f2pool: nbminer -a cuckarood -o stratum+tcp://grin29.f2pool.com:13654 -u username.worker:passwd
  • btc.com: nbminer -a cuckarood -o stratum+tcp://sz-grin.ss.btc.com:1800 -u username.worker:passwd
  • nicehash: nbminer -a cuckarood -o nicehash+tcp://grincuckaroo29.eu.nicehash.com:3371 -u btc_address.worker


  • sparkpool: nbminer -a cuckatoo -o stratum+tcp://grin.sparkpool.com:66667-u 123@qq.com/worker
  • f2pool: nbminer -a cuckatoo -o stratum+tcp://grin31.f2pool.com:13654 -u username.worker:passwd
  • btc.com: nbminer -a cuckatoo -o stratum+tcp://sz-grin.ss.btc.com:1800 -u username.worker:passwd
  • nicehash: nbminer -a cuckatoo -o nicehash+tcp://grincuckatoo31.eu.nicehash.com:3372 -u btc_address.worker


  • sparkpool: nbminer -a cuckatoo32 -o stratum+tcp://grin.sparkpool.com:6665 -u 123@qq.com/worker
  • f2pool: nbminer -a cuckatoo32 -o stratum+tcp://grin32.f2pool.com:13654 -u username.worker:passwd
  • nicehash: nbminer -a cuckatoo32 -o nicehash+tcp://grincuckatoo32.hk.nicehash.com:3383 -u btc_address.worker


  • f2pool: nbminer -a cuckoo_ae -o stratum+tcp://ae.f2pool.com:7898 -u ak_xxxxxxx.worker:passwd
  • beepool: nbminer -a cuckoo_ae -o stratum+tcp://ae-pool.beepool.org:9505 -u ak_xxxx.worker:passwd
  • uupool: nbminer -a cuckoo_ae -o stratum+tcp://ae.uupool.cn:6210 -u ak_xxxxxx.worker:passwd
  • nicehash: nbminer -a cuckoo_ae -o nicehash+tcp://cuckoocycle.eu.nicehash.com:3376 -u btc_address.test


  • luckypool: nbminer -a cuckaroo_swap -o stratum+tcp://swap2.luckypool.io:4466 -u wallet_address.test
  • herominers: nbminer -a cuckaroo_swap -o stratum+tcp://swap.herominers.com:10441 -u wallet_address.test
  • herominers solo: nbminer -a cuckaroo_swap -o stratum+tcp://swap.herominers.com:10441 -u solo:wallet_address.test:arbitrary


  • beepool: nbminer -a progpow_sero -o stratum+tcp://sero-pool.beepool.org:9515 -u wallet_address.worker:pswd
  • f2pool: nbminer -a progpow_sero -o stratum+tcp//sero.f2pool.com:4200 -u wallet_address.worker:pswd


  • simpool: nbminer -a sipc -o stratum+tcp://sipc.simpool.vip:8801 -u username.worker:passwd
  • matpool: nbminer -a sipc -o stratum+tcp://sipc.matpool.io:11100 -u username.worker:passwd


  • sparkpool: nbminer -a eaglesong -o stratum+tcp://ckb.sparkpool.com:8888 -u user.worker:passwd
  • beepool: nbminer -a eaglesong -o stratum+tcp://ckb-pool.beepool.org:9550 -u email/worker:passwd
  • uupool: nbminer -a eaglesong -o stratum+tcp://ckb.uupool.cn:10861 -u user.worker:passwd
  • f2pool: nbminer -a eaglesong -o stratum+tcp://ckb.f2pool.com:4300 -u wallet.worker:passwd


  • sparkpool: nbminer -a eaglesong_ethash -o stratum+tcp://ckb.sparkpool.com:8888 -u user.worker:passwd -do stratum+tcp://cn.sparkpool.com:3333 -du wallet.worker:passwd
  • beepool: nbminer -a eaglesong_ethash -o stratum+tcp://ckb-pool.beepool.org:9550 -u email/worker:passwd -do stratum+tcp://eth-pool.beepool.org:9530 -du wallet.worker:passwd
  • uupool: nbminer -a eaglesong_ethash -o stratum+tcp://ckb.uupool.cn:10861 -u user.worker:passwd -do stratum+tcp://eth.uupool.cn:8008 -du wallet.worker:passwd
  • f2pool: nbminer -a eaglesong_ethash -o stratum+tcp://ckb.f2pool.com:4300 -u wallet.worker:passwd -do stratum+tcp://eth.f2pool.com:8008 -du wallet.worker:passwd


  • uupool: nbminer -a bfc -o stratum+tcp://bfc.uupool.cn:12210 -u username.worker
  • bfcpool: nbminer -a bfc -o stratum+tcp://ss.bfcpool.com:3333 -u wallet.worker


  • f2pool: nbminer -a hns -o stratum+tcp://hns.f2pool.com:6000 -u wallet.worker
  • 6block: nbminer -a hns -o stratum+tcp://handshake.6block.com:7701 -u username.worker


  • f2pool: nbminer -a hns_ethash -o stratum+tcp://hns.f2pool.com:6000 -u wallet.worker -do stratum+tcp://eth.f2pool.com:8008 -du wallet.worker


  • uupool: nbminer -a trb -o stratum+tcp://trb.uupool.cn:11002 -u wallet.worker
  • hashpool: nbminer -a trb -o stratum+tcp://pplns.trb.stratum.hashpool.com:8208 -u wallet.worker


  • uupool: nbminer -a trb_ethash -o stratum+tcp://trb.uupool.cn:11002 -u wallet.worker -do stratum+tcp://eth.uupool.cn:8008 -du wallet.worker


  • beepool: nbminer -a kawpow -o stratum+tcp://rvn-pool.beepool.org:9531 -u wallet.worker:passwd
  • f2pool: nbminer -a kawpow -o stratum+tcp://raven.f2pool.com:3636 -u wallet.worker:passwd
  • minermore: nbminer -a kawpow -o stratum+tcp://us.rvn.minermore.com:4501 -u wallet.worker:paswd
  • bsod: nbminer -a kawpow -o stratum+tcp://pool.bsod.pw:2640 -u wallet.worker:passwd
  • woolypooly: nbminer -a kawpow -o stratum+tcp://rvn.woolypooly.com:55555 -u wallet.worker:passwd

CMD option:

nbminer -a algo -o protocol+socket_type://pool_host:pool_port -u wallet_address.worker:passwd

  • -h, –help Displays this help.
  • -v, –version Displays version information.
  • -c, –config <config file path> Use json format config file rather than cmd line options.
  • -a, –algo <algo> Select mining algorithm
  • –api <host:port> The endpoint for serving REST API.
  • -o, –url <url> Mining pool url.
  • -u, –user <user> User used in Mining pool, wallet address or username.
    • Format: [username|wallet].workername:password
  • -o1, –url1 <url> url for backup mining pool 1.
  • -u1, –user1 <user> username for backup mining pool 1.
  • -o2, –url2 <url> url for backup mining pool 2.
  • -u2, –user2 <user> username for backup mining pool 2.
  • -di, –secondary-intensity <intensity> The relative intensity when dual mining.
  • -do, –secondary-url <url> ETH mining pool when dual mining.
  • -du, –secondary-user <user> ETH username when dual mining.
  • -do1, –secondary-url1 <url> Backup 1 ETH mining pool when dual mining.
  • -du1, –secondary-user1 <user> Backup 1 ETH username when dual mining.
  • -do2, –secondary-url2 <url> Backup 2 ETH mining pool when dual mining.
  • -du2, –secondary-user2 <user> Backup 2 ETH username when dual mining.
  • -d, –devices <devices> Specify GPU list to use. Format: “-d 0,1,2,3” to use first 4 GPU.
  • -i, –intensity <intensities> Comma-separated list of intensities (1 -100).
  • –strict-ssl Check validity of certificate when use SSL connection.
  • –proxy Socks5 proxy used to eastablish connection with pool, E.g.
  • –cuckoo-intensity <intensity> Set intensity of cuckoo, cuckaroo, cuckatoo, [1, 12]. Smaller value means higher CPU usage to gain more hashrate. Set to 0 means autumatically adapt. Default: 0.
  • –cuckatoo-power-optimize Set this option to reduce the range of power consumed by rig when minining with algo cuckatoo. This feature can reduce the chance of power supply shutdown caused by overpowered. Warning: Setting this option may cause drop on minining performance.
  • –temperature-limit <temp-limit> Set temperature limit of GPU, if exceeds, stop GPU for 10 seconds and continue.
  • –log Generate log file named logs/log_<timestamp>.txt.
  • –log-file <filename> Generate custom log file. Note: This option will override --log.
  • –no-nvml Do not query cuda device health status.
  • –fidelity-timeframe <timeframe> Set timeframe for the calculation of fidelity, unit in hour. Default: 24.
  • –long-format Use ‘yyyy-MM-dd HH:mm:ss,zzz’ for log time format.
  • –verbose Print communication data between miner and pool in log file.
  • –device-info Print device cuda information.
  • –fee <fee> Change devfee in percentage, [0-5]. Set to ‘0’ to turn off devfee with lower hashrate. Otherwise, devfee = max(set_value, def_value).
  • –generate-config <filename> Generate a sample config json file.
  • –no-watchdog Disable watchdog process.
  • –platform <platform> Choose platform,0: NVIDIA+AMD (default), 1: NVIDIA only, 2: AMD only
  • –coin <coin> Set coin for ethash algo. E.g, eth, etc
  • –mt, –memory-tweak <mode> Memory timings optimize for Nvidia GDDR5 & GDDR5X gpus. range [1-6]. Higher value equals higher hashrate. Individual value can be set via comma seperated list. Power limit may need to be tuned up to get more hashrate. Higher reject share ratio can happen if mining rig hits high temperature, set lower value of -mt can reduce reject ratio. Under windows, a custom driver need to be installed when using -mt, can installed manually by option --driver, or run nbminer.exe with admin privilege to perform auto-install. Under linux, admin priviledge is needed to run, sudo ./nbminer -mt x. OhGodAnETHlargementPill is not needed anymore if -mt is enabled when mining on 1080 & 1080ti GPUs.
  • **–driver <action> Windows only option, install / uninstall driver for memory tweak. Run with admin priviledge. install: nbminer.exe --driver install, uninstall: nbminer.exe --driver uninstall. **

API Reference

Web Monitor

Open http://api_host:port/ in your browser to use web monitor.


GET http://api_host:port/api/v1/status

Change Log


  • new algo: cuckatoo32 for Grin32 on Nvidia 8G above GPUs
  • kawpow: support for NiceHash‘s extranonce.subscribe protocol


  • windows: Auto install driver if --memory-tweak is set and driver is not installed.
  • windows: Fix driver install failed issue on some windows rigs.
  • kawpow: Fix duplicate share issue on some pools.


  • Reduce ethash kawpow startup time.
  • Fix a possible crash on certain rigs of reason invalid kernel image.
  • Do not apply memory tweak if -mt is set to 0 on corresponding gpu.
  • Print system information on start.


  • Add option --memory-tweak , optimize memory timings of Nvidia GD5 & GD5X GPUs. Detail describe can be found in readme.md
  • Add option --verbose, print pool communucation log.
  • Add option --proxy, user can using socks5 proxy to set up connection with pool.
  • Add number of shares per GPU in both log print and api.
  • Minor bug fix and improvements.


  • Fix low hashrate of kawpow on AMD RDNA GPU.
  • Improve kawpow hashrate on AMD GPU.


  • Add support for RVN new algo kawpow mining on Nvidia & AMD gpus.


  • Support HNS & HNS+ETH mining on NiceHash


  • Add support for mining TRB & TRB+ETH on Nvidia GPU
  • Add support for mining ETH on miningrigrentals.
  • Minor improvements and fixes.


  • Fix ETH mining on NiceHash
  • Fix NVML initialization failure on certain cases.


  • Improve HNS & HNS+ETH on Nvidia GPU.


  • Fix high ETH reject rate on certain pools when mining HNS+ETH
  • Slightly improve mining HNS+ETH on Nvidia GPU.


  • Fix support the certain AMD Vega GPUs.
  • Fix a potential bug when mining under AMD+Nvidia mixed rig.


  • Add HNS+ETH mining on AMD GPU
  • Improve HNS+ETH performance on Nvidia GPU
  • Note: -di calculation is changed in this version for HNS+ETH.
    • The value of -di = work_size_of_hns / work_size_of_eth
    • E.g, -di 5 on a stock freq 1070ti will get 26M for eth & 130M for hns.


  • Improve HNS performance on AMD GPU


  • Improve HNS performance on Nvidia GPU
  • Add support for HNS mining for AMD GPU


  • Add support for HNS & HNS_ETH mining for NVIDIA GPU
  • Minor bug fix and improvements.


  • Improve CKB+ETH performance on AMD GPU.
  • Fix bug of 26.1: Launch crash on certain AMD rigs.


  • Add support for mining CKB+ETH on AMD GPU.
  • Improve performance for mining CKB on Nvidia GPU.


  • Add support for BFC mininig on Nvidia GPU.
  • Fix CKB compatibility on AMD GPU.
  • Fix cuckcoocycle on nicehash.


  • Fix a bug when mining CKB+ETH.
  • Fix a compatibility issue in CKB stratum protocol.


  • Improve CKB mining performance on both NVIDIA & AMD cards.
  • Improve CKB+ETH performance on NVIDIA cards.
  • Add support for mining SERO on AMD cards.
  • Add a new option --platform to allow users to choose GPU platform.


  • Add support for CKB mining on AMD cards under linux.
  • Bug fix.


  • Add support for CKB mining on AMD cards.


  • Add support for CKB mining & CKB+ETH dual mining.
  • Enhance -di parameter to support comma separated list to specify -di value for each card.
  • The default value of -di for CKB+ETH mining ranges from 4 ~ 8 depending on GPU model, valid value range in [1, 10], higher value means higher intensity for ETH.
  • The best value of -di differs by GPU model, overclock and power limitation.


  • Fix SIPC dxpool compatibility.
  • 1080 & 1080ti users should use OhGodAnETHlargementPill to boost SIPC performance.


  • Add support for mining SIPC.
  • Fix high CPU usage mining SERO with 24.1 & 24.2
  • Fix Grin intensity.


  • Disable the auto-switch from cuckaroo -> cuckarood
  • Slightliy improve RTX2060 Grin29 performance under win10
  • Fix startup stuck issue on some linux distro.
  • Add new option --generate-config to generate a sample config file.
  • Note: Linux sero mining need to set a env before start if run with –no-watchdog, please check start_sero.sh


  • Fix lower hashrate than previous version for Grin29 & AE on 10xx 6GB cards
  • Fix mining Grin29 AE on Turing 6GB Cards on Win10.
  • Fix the disfunction of auto-reboot when GPU error happens.
  • Fix start using json config file.
  • Change the GPU MEM size display upon launch from Total Size to Available Size.


  • Support Grin29 fork on 17th, July.
    • When using algo cuckaroo, v24.0 will do an automatically switch to cuckarood on height 262080.
    • Add a temporary option -grin29-fork-height, user can test the auto-switch by setting this option to lower height value.
  • Improve performance on Grin29 & AE.
  • Add support for mining SERO, algo progpow_sero.
  • Add option -intensity to set the intensity level for each GPU.
  • Add option -fidelity-timeframe to customize the timeframe for fidelity calculation.
  • Add option -log-file to set a specified log filename.
  • Add option -no-nvml to close the periodical query for GPU status.
  • Add new method to turn on NiceHash protocol, nicehash+tcp://
    • Also compatible with previous url based method.
  • Minor improvement and bug fix.


  • Fix mining AE (cuckoocycle) on NiceHash.
  • Add option to set a temperature limit on GPU.


  • Improve Grin & AE & SWAP performance.
  • Add support for mining AE on NiceHash.
  • Add display output of Fidelity.
  • Minor improvement and bug fix.


  • Improve compatiblity for mining Grin31 on windows 8GB cards.
  • Set default --cuckoo-intensity to 4, lower CPU usage on default settings when mining Grin & AE.


  • Add support for mining Swap (XWP).
  • Improve Grin29 & AE performance.
  • Improve Windows compatibility on Grin & AE, significant boost on performance.


  • Improve Grin31 performance.
  • Improve performance of Grin29 & AE on RTX cards.
  • Fix Grin31 compatibility on Win7 with 8G cards.
  • New option to reduce the range of power consumption by multi-gpu rig.
  • Add miner Up Time print in cmd outputs.


  • Fix bug: Occasionlly lower local hashrate than previously version.
  • Do not run GPU if mining pool not connected when mining Grin & AE.


  • Fix bug: "GPU hung detected" happens under some normal conditions.


  • Improve Grin29 performance
  • Add support for mining Grin & AE on Turing cards.
  • Add detection for GPU hung.
  • Increase chance of accept share when mining Grin on NiceHash.
  • Fix ETH mining on NiceHash.
  • Fix “accecpt share checking” bug when using backup mining pools.


  • Add support for AE (Aeternity)
  • Improve performance on Grin29 & Grin31
  • Improve miner stability.


  • Add support for Grin31
  • Add support for mining Grin on NiceHash
  • Add new option to tune CPU usage when mining Grin.
  • Improve BTM+ETH performance on RTX cards.
  • FIx bug of lower hashrate when mining BTM on rigs with mixed 10 series and 20 series cards.
  • Do not add a default worker name if no worker name specified by user.


  • BTM mining, improve over 200% on RTX cards.
  • Improve Grin mining.


  • Add support mining Grin on 1066-win10.
  • Fix support for Solo mining using grin-server.


  • Add support for mining Grin coin (cuckaroo29).
  • Minor bug fix and improvement.


  • Improve hashrate of BTM+ETH dual mining about 6%.


  • Fix a bug that could cause many reject shares when epoch changes under ETH dual mining .


  • Fix high stale share and reject share ratio when use big -di for dual mining BTM+ETH.
  • Fix the support of web monitor for dual mining.
  • Minor bug fixs and improvements.


  • Fix support ETH PPS+ mode on F2pool
  • Add support for ETH on NiceHash (with protocol header ethnh)
  • Fix rest api when dual mining.
  • Minor bug fixs.


  • New BTM+ETH dual mining mode.
  • Decrease the required driver version to 377.
  • Temporarily remove support for XMR mining.
  • Fix start using config file.
  • Add a default protocol header if not specified.


  • Improve BTM hashrate.
  • Add support for ETH and XMR mining.
  • Optimize handle for new job, increase profit on mining pool.
  • Colorful output on console.
  • Add support for backup mining pools.
  • Decrease dev fee of BTM to 2%.


  • Improve hashrate


  • Improve hashrate ~30%
  • Improve stability


  • Improve hashrate 10% – 15%
  • Lower skipped share rate, increase actual hashrate on mining pool.
  • Added display for mining pool latency.
  • Added display for mining pool difficulty.
  • Improve API web monitor.

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