The GRN1 is a high-performance ASIC miner for Grin’s Cuckatoo31+ hashing algorithm. Each GRN1 contains 24 ASIC chips, with a maximum hashrate of 420GP/S for a power consumption of 2200W.
Grin is a private and lightweight implementation of the mimblewimble blockchain. Launched on January 15, 2019, Grin strives for scalability, openness, fair distribution, and privacy by default.
Grin's Proof-of-Work consists of two sets of algorithms, one ASIC-resistant and one ASIC-friendly. Over time, the ASIC-friendly algorithms phase in, reaching 100% of the block reward by January 2021. Grin's first ASIC-friendly algorithm is Cuckatoo31+, which should maintain dominance until approximately April 2020.
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