Why Nostr? What is Njump?

Public Key
npub1c3zhg9mgpxps3ryvdvfg8rpuna05jjezmtfd7yhrgvskv7dk6kpqc3py3w
NIP-05 Address
tomars2025@gmail.com
Profile Code
nprofile1qqsvg3t5za5qnqcg3jxxky5r3s7f7h6ffv3d45klzt35xgtx0xmdtqs3mgv66
Author Public Key
npub1c3zhg9mgpxps3ryvdvfg8rpuna05jjezmtfd7yhrgvskv7dk6kpqc3py3w