#asknostr

nostr:nevent1qqs2emfw97uugwxmwtdrd98plycwsfc6rpmzxvcl4dy60y9a9zm02sqpz4mhxue69uhkummnw3ezummcw3ezuer9wchsygxlu7gurfw8q25ugdpsez7xzz005gdg7vpkd82huspg7gjhv7qelypsgqqqqqqshpws0v

It’s a unique identifier the way they do with eth addresses, generated from your npub. If it’s respected across platforms, it provides an easy way to have a consistent, and therefore trustworthy, appearance on your profile

takes a few characters of your npub and converts them to a color so if someone has the same name and pic as you they would still have a different color unless they can generate an npub with the same characters in those positions too