https://www.greenbuildingadvisor.com/question/how-do-i-send-a-message-to-coinbase-%f0%9d%91%b8%f0%9d%92%96%f0%9d%92%8a%f0%9d%92%84%f0%9d%92%8c%f0%9d%91%ba%f0%9d%92%96%f0%9d%92%91%f0%9d%92%91%f0%9d%92%90%f0%9d%92%93%f0%9d%92%95?discussion=new