It's sketch. I get improving Secp256k1 but you hide it in some obscure comment while promoting the cpu miner and then dumping: https://topics.cash/thread/cmsofp0j70ilhjgj8hegcx5oa
Anyone is free to write (or vibe code) a CPU/GPU/FPGA miner at any time.
Instamining effectively makes it excessively easy to produce coins... often leading to an unfair or uneven distribution of coins concentrated among developers or founders of a project.