The ink reacts with starch in Wooden-centered paper to produce a black or blue mark though the paper in a true bill consists of no starch, And so the pen mark stays unchanged. This type is geared towards banks who catch counterfeit money, but people today should really use it https://fake-notes-for-sale55321.alltdesign.com/what-does-fake-currency-notes-in-india-mean-47843059