I don’t see the 100,000 number for nostr. Maybe you misread for mastodon?
On pg. 9 I see a few thousand npubs in twtr bio.
On pg. 10 I see a few thousand migration to nostr post counts.
Report states less than 10,000 total npub count.
This report on #twittermigration http://www.deweysquare.com/wp-content/uploads/2023/03/DSG-Snapshot-of-the-Twitter-Migration-March-2023.pdf
I don’t see the 100,000 number for nostr. Maybe you misread for mastodon?
On pg. 9 I see a few thousand npubs in twtr bio.
On pg. 10 I see a few thousand migration to nostr post counts.
Report states less than 10,000 total npub count.