Such a message was sent to the Discord, after activating the code it is suggested to replenish the account by 0.005 btc to unfreeze the received amount.
This scam is designed to take your money. Be careful.
Scammers are more active now. They are busy coming up with different ideas. Because they can show as much greed to people, more they can scam. This type of message received daily by most people who are involved with crypto. You should not receive this message if you have not joined their giveaway. Everyone should be stay away from this kind of giveaway, because scammers try to come up with new ideas everyday.