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The house edge is the mathematical advantage the casino holds on a game over time. A lower house edge means the game returns more to players on average across many rounds.

A wagering requirement is the number of times you must stake a bonus amount before you can withdraw it. For example, a 10x requirement on a 500 BDT credit means 5,000 BDT in total stakes.

Volatility describes how a slot pays out. High volatility means bigger wins that come less often; low volatility means smaller, more frequent wins. It affects how your balance moves during a session.

In crash games like Aviator, the multiplier starts at 1x and climbs. You cash out before it stops to lock in your winnings. If you don't cash out in time, the round ends and the stake is lost.

KYC stands for Know Your Customer. It is the identity verification step required before your first withdrawal — usually a photo ID and confirmation that your wallet matches your registered name.

Rollover is another word for wagering requirement. It refers to the total amount you need to stake before bonus funds become withdrawable. Always check the rollover figure before accepting an offer.

Paylines are the fixed paths across the reels where matching symbols pay out. Some slots use hundreds of ways instead of fixed lines — the game card shows which system applies.