You may keep your phone number private with Signal usernames nostr:nevent1qqstwq4tyn4h0c0faharst4qs7t7sjl5trqcj3vlnphvep55069dclcpzpmhxue69uhkummnw3ezuamfdejsygyzxs0cs2mw40xjhfl3a7g24ktpeur54u2mnm6y5z0e6250h7lx5gpsgqqqqqqskhklcd