While Grin uses Cuckoo Cycle (to be precise, one variant aimed at ASICs and another aimed at GPUs, in a dual-PoW setup), Beam uses an Equihash variant for Proof

While Grin uses Cuckoo Cycle (to be precise, one variant aimed at ASICs and another aimed at GPUs, in a dual-PoW setup), Beam uses an Equihash variant for Proof-of-Work.