Bounty - 1 BTC  + 100 $Grin ツ for a MacOS M1 C32 Open Source Miner with ≥0.5 Gps, offered by 

Mining_Self_Hosting_FOSS

1 BTC  bounty for MacOS M1 Ultra miner:
Bounty - 1 BTC  + 100 $Grin ツ for a MacOS M1 C32 Open Source Miner with ≥0.5 Gps, offered by [Cuckoo Cycle]( https://github.com/tromp/cuckoo) author and [Grin Core](https://github.com/mimblewimble/grin) developer [Dr. J.Tromp](https://github.com/tromp)

https://forum.grin.mw/t/bounty-1-btc-100-grin-for-a-macos-m1-c32-open-source-miner-with-0-5-gps/9652/1