rich1.0 wrotenpub16retdn49kf0enggt6z3725ufan0fam9nhrp2lwmfcfud72d83z4qkjrvl0https://yabu.me/npub16retdn49kf0enggt6z3725ufan0fam9nhrp2lwmfcfud72d83z4qkjrvl0njumphttps://yabu.meWhere does the yield come from?