As with all things crypto, crypto gambling isn't without its risks, including: High risk of fraud due to an unregulated market. Limited reputable and verifiable platforms. An attractive target for crypto scammers and hackers.
Yes, placing sports bets with cryptocurrency is generally safe, but ensure that your website is reputable and secure. You should research the site's reputation and check if it's licensed and regulated by a reputable authority.
Odds of +200 mean you can winR$200 on aR$100 bet, but there's no quick way to determine the implied winning probability. If these odds appeared as fractional odds 2/1 you could quickly solve for the implied winning probability using this formula: Decimal / (Numerator + Denominator) x 100%
You usually get a set amount of money to bet when you deposit and that money can't be redeemable for cash. For example, if you bet the bonusR$5 and lose, that money is gone. If you betR$5 and profit anotherR$5, you'll be upR$5 in real money.