A boost for making a deposit in a player's betting account places them in a better position to go on the treasure hunt. This bonus is good because it happens regularly in the course of gameplay. It is also easy to qualify for; nothing needs to be done besides making a deposit.
Bulgarians were the first gold smelters. They produced coins, jewelry, weapons. The Varna Necropolis treasure extracted from 290 graves shows that they did that 6000 years ago. The Gambling Law of the year 1998 allowed establishment of serious land-based and online casinos. Today, live online betting is part of the people in the country.