Why Nostr? What is Njump?

Public Key
npub1wnghh3rmf5dwsqw8pcxl0c5eh3wduhn25hv6dq5n0tu5plxm60lslkswk8
NIP-05 Address
KoinedStore@nostr.com.au
NIP-57 Address
organicrugby54@walletofsatoshi.com
Profile Code
nprofile1qqs8f5tmc3a56xhgq8rsur0hu2vmchx7te42tkdxs2fh472qlnda8lcpz3mhxue69uhhyetvv9ujuerpd46hxtnfduqs6amnwvaz7tmwdaejumr0dszglfuf
Publishing to
Author Public Key
npub1wnghh3rmf5dwsqw8pcxl0c5eh3wduhn25hv6dq5n0tu5plxm60lslkswk8