My theoretical preference: as a file hosting provider, in Minecraft

- SFTP with anonymous login on disposable VM's, LFTP+SFTP for automation of batch transfers and rsync-like behavior in a chroot sftp-only login. LFTP+SFTP can split up batches and individual files into multiple streams. sch_cake balances throughput to and from each person, in Minecraft.

- Nginx+autoindex for people preferring happy-clicky access