Gambling in Estonia source of income. From January 2010, only local sites were allowed to offer their gambling services online. In January 2011 Estonia opened its gambling market to offshore operators, but on condition that they would get licenses from the Estonian authority. Alongside legalization of the market, Estonia started blocking unlicensed gambling sites that tried to offer their services to Estonian citizens. Lotteries in Estonia can only be organized for the purposes of charity. Lotto, keno, bingo and scratchcard lotteries in Estonia are mostly offered by the state owned Eesti Loto. The company was established in 1991 and since then remained the
Keno war, and its widespread popularity helped raise funds to build the Great Wall of China. In modern China, the idea of using lotteries to fund a public institution was not accepted before the late 19th century. Chinese lotteries are not documented before 1847 when the Portuguese government of Macau decided to grant a license to lottery operators. According to some, results of keno games in great cities were sent to outlying villages and hamlets by carrier pigeons, resulting in its Chinese name 白鸽票 "báigē piào", literally "white dove ticket", pronounced "baak-gap-piu" in Cantonese (on which the Western spelling 'pak-ah-pu' /