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So, maybe the winner may not even share if they win something, it may look like "just 500" for all that trouble but we all know that's a lot of money for a lot of people and begging even 50 bucks is like a full time job because if you find a few people who can pay you that, which you won't, you are set for the whole month in some nations.
Either way, you should never brag about how much you've won, certainly not here on the Internet via forums or chats. There are enough companies that specialize in finding out the true identity behind forum accounts. If an account writes about how much he or she has won, this can be a real problem in "real life".
For example, I know a few people who were attacked by the Ledger hack last year. A text message with "I know where you live, transfer me 1 BTC otherwise I'll get your wife" is enough ...