Hello guys, can you help me report this channel? because they are posting scam airdrop that using name biki,korbit

1) https://t.me/earnin2019 (33k Members )
2) https://t.me/earningbdtips2 ( 26K Members )
3) https://t.me/earningbdtips4 ( 26k Members )


you can join this and see it by yourself