- Your file is recorded in thousands of hard drives all over the world.
- Your file exists as long as the Ethereum blockchain exists.
- Nobody can delete or edit your file (not even you !).
- Everybody can download it without fees with this website or any ethereum RPC endpoint.
- You can prove that you are the one who uploaded the file, and the upload date.
- It cost something like $2 of transactions fees to upload each KB of data.