1) Currency has evolved significantly over thousands of years, starting with ancient forms of commodity money like cattle and gold in India as early as 7000 BC.
2) Ancient coins began to emerge in India as early as 1500 BC, taking the form of punch-marked coins issued by different kingdoms and empires. Paper money was first developed in China in the 7th century AD.
3) Coins continued to evolve and spread across kingdoms in India, taking on regional designs and scripts. The Mauryan Empire issued silver karshapanas, while the Gupta dynasty depicted kings on the obverse and deities on the reverse of coins between the 4th-6th centuries AD.