Nostr as an alternative to TikTok. Users can export their data, import their data and videos to Nostr. All they need is a client with proper media support. 
nostr:nevent1qqsyw68rx3vyf78r0vpymjwk3f9dej6p7qlq0nckcdrk753tq8z4w3cpzemhxue69uhhqatjwpkx2un9d3shjtnrdakj7q3ql2vyh47mk2p0qlsku7hg0vn29faehy9hy34ygaclpn66ukqp3afqxpqqqqqqzrp8nh8 

 Also, Nostr isn't run by interests of the Chinese Communist Party. 

 This is a large reason why I do not use TikTok.