In May 2024, 2B rows of data with 361M unique email addresses were collated from malicious Telegram channels.
The data contained 122GB across 1.7k files with email addresses, usernames, passwords and in many cases.

Details:
https://www.troyhunt.com/telegram-combolists-and-361m-email-addresses/

Update german:
https://www.golem.de/news/jetzt-bei-have-i-been-pwned-milliarden-von-zugangsdaten-auf-telegram-entdeckt-2406-185711.html