rich1.0nByte (npub1z7…zazmv)https://yabu.me/npub1z7ea5zw2rf4klyedxfpwl37xn5plt4psm4ydsnmga8gaj2ea2f7sqzazmvnjumphttps://yabu.meSo bitcoinj being a black box is a-ok, and you plan to use it... makes sense why you created a new npub to post this.