sounds interesting. they're not making it a part of telegram, the currency will use proof-of-stake and not proof-of-work (which means it won't have any of bitcoin's ecological issues) and they're making it a true decentralized project.
A Public Notice About the TON Blockchain and Grams https://telegram.org/blog/ton-gram-notice
Cybrespace is an instance of Mastodon, a social network based on open web protocols and free, open-source software. It is decentralized like e-mail.