For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Dropbox - Online Sync and File Sharing
Bitcoin - Bitcoin is an innovative payment network and a new kind of money.
Google Drive - Access and sync your files anywhere
Litecoin - Litecoin is a peer-to-peer Internet currency that enables instant payments to anyone in the world.
Mega - Secure File Storage and collaboration
Monero - Monero is a secure, private, untraceable currency. It is open-source and freely available to all.