Flow blockchain (FLOW) by Dapper Labs will only use Discord as official channel for the present. We have some good community Telegram channels below 👇

Community run telegram channels:
🇬🇧English: https://t.me/flow_community
🇰🇷 한국어 (Korean): https://t.me/flow_ko
🇷🇺 Pусский (Russian): https://t.me/flow_ru
🇯🇵 日本語 (Japanese): https://t.me/flowjp
🇻🇳 Việt (Vietnamese): https://t.me/flow_vi
🇨🇳 中文 (Chinese)： https://t.me/flow_zh

Official channels
Discord: discord.gg/flow
Twitter: https://twitter.com/flow_blockchain
Website: https://www.onflow.org/