Where BitDust app stores my master private key?
Windows: C:/Users/my_user_name/.bitdust/metadata/mykeyfile
Android: /storage/emulated/0/Android/data/org.bitdust_io.bitdust1/files/Documents/.bitdust/metadata/mykeyfile
Linux: /home/my_user_name/.bitdust/metadata/mykeyfile
MacOS: /Users/my_user_name/.bitdust/metadata/mykeyfile