Nigerian confidence tricksters have a long history of extorting money via the Internet through "419" scams, named after the clause that outlaws them in Nigeria's penal code.
奈国骗徒在网路上透过「419」骗术讹诈金钱的历史悠久，「419」骗术是以判决其不法的刑法为名。
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An example of the clause would be, in no event shall the aggregate liability of the surety exceed the penal sum specified herein.