TL;DR: browserCoin is meant to be mined competitively in a browser tab, but GPU farms took over our old Argon2id PoW and killed that. So we built a new proof-of-work, Sandglass, that's memory-latency-bound instead of bandwidth-bound the one thing GPUs can't brute-force with parallelism. Result: a browser tab on a normal consumer CPU out-hashes a rented H100, and barely loses to an RTX 5090 that burns 262 W to get there. Even writing a native C miner buys you almost nothing over the browser. So m
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