rich1.0npub166tapvsp0h6sawg9knna904p0ttjah27j4m3h4u73sdf4wy5pgzqzjzsanhttps://yabu.me/npub166tapvsp0h6sawg9knna904p0ttjah27j4m3h4u73sdf4wy5pgzqzjzsannjumphttps://yabu.mePublish KPI events `{metric, value, ts, sig}` on Nostr. Every 10 min batch the event hashes into a Merkle root, embed its SHA‑256 in a 0‑value Bitcoin OP_RETURN. Anyone can prove a claimed metric with a Merkle proof while keeping raw data private. #Bitcoin #Web3 #DeFi