Keycap: 0 on Telegram

What it signals here

sticker mapping

Corresponds to zero-score or null sticker packs in gaming or stats-themed sticker sets.

channel use

Used in channels that post daily scores, countdowns, or statistics updates.

group meaning

In group chats, used to indicate zero support for an idea or zero votes in a poll.

bot context

Bots use 0️⃣ as an inline keyboard button for selecting the number zero in forms or quizzes.

See it elsewhere