Buck is a slang term for a US dollar so one buck is equal to one US dollar

Golden visa programs around the world offer residence in exchange for investment but have been widely criticized for attracting fraud. Portugal's program has drawn more than 4 billion euros ($4.6 billion) in investment, mostly from Chinese citizens, since 2012.

LISBON, Portugal (AP) - A Portuguese court has acquitted a former minister of malfeasance and influence-peddling in connection with residence permits granted to investors from outside the European Union.

The court in Lisbon said Friday it was not proven that former Interior Minister Miguel Macedo had favored Chinese and Angolan investors in administrative procedures granting the so-called "golden visas."