That's only if you choose to. npubs are free to generate.
You can (not implemented) easily have dozens of npubs on one device, all looking unrelated to the network. Unlike IP addresses, you can cycle through them over time.
npub1hw…465gr
2026-02-25 11:24:36 CET
in reply to nevent1q…qtvz
Author Public Key
npub1hw6amg8p24ne08c9gdq8hhpqx0t0pwanpae9z25crn7m9uy7yarse465grPublished at
2026-02-25 11:24:36 CETEvent JSON
{
"id": "055252e70bd521c3874c30413d58a5adb1d5a961959bdfb4fde43ba7caed6130",
"pubkey": "bbb5dda0e15567979f0543407bdc2033d6f0bbb30f72512a981cfdb2f09e2747",
"created_at": 1772015076,
"kind": 1,
"tags": [
[
"e",
"c6c662b50255244128bc18d7747be256bb397f73b1b2c5c7d520cd11b75d013c",
"",
"root"
],
[
"e",
"3e0087a881735b95119ea4f3b385c7b4cbebbcb965e13e98de24a0e068d47002",
"",
"reply"
],
[
"p",
"2bbace553efebf58dd55912169f92c1123eb6121d7ba092f6c50104afc31acef"
],
[
"p",
"079d727bee3d805e24758861ea4d028b2e6a37805f8db45bf8045bf900099650"
],
[
"r",
"wss://relay.damus.io/",
"write"
],
[
"r",
"wss://relay.primal.net/"
],
[
"r",
"wss://nos.lol/"
]
],
"content": "That's only if you choose to. npubs are free to generate.\n\nYou can (not implemented) easily have dozens of npubs on one device, all looking unrelated to the network. Unlike IP addresses, you can cycle through them over time.",
"sig": "22474955cfbe1059c43f03f93101913a237482c7d00ddc15c190a60dfee6a538e564a353073c030cea447c585f017a9348236e1bc06ef033315ff4e26401159c"
}