0 = every owner holds an equal number of items · 1 = one wallet owns all.
Measured EXACTLY across all 19 on-chain owners — the KRC-721 owner set is
complete, so this is a precise reading (not a lower bound).
The shaded lens between the curve and the dashed line-of-equality is the Gini — a bigger bulge means a few wallets hold more of the minted items.