This sort of bonus means that a player gets a refund of some money used in the betting process. It may be an assurance that one is refunded if they lose the first bet, or reimbursed the service charge when betting. The guarantee allows the player to bet without risk of loss for some time.
Brazil is the top tourist destination in South America. Its beautiful beaches are worldwide famous. Even though online gambling in Brazil is illegal, it has become prevalent, especially among football fans. Brazilian players bets and gamble in a live casino on offshore sites, and operators outside of the country cannot be prosecuted under Brazilian criminal law.