But how do we share the word of nostr and bitcoin without using other socials?

It's an oxymoron. 

nostr:nevent1qqsxtvmum3lx7nxetwdffp0agkhtf5g3z9lzperagc8lvgu9fa7rewgpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsyg86np9a0kajstc8u9h846rmy6320wdepdeydfz8w8cv7kh9sqv02gpsgqqqqqqs8nnp3y