The earliest paper currency was limited to certain regions and could not be used outside specified bounds, but once paper was securely backed by gold and silver stores, the Song Dynasty government initiated a nationwide paper currency, between 1265 and 1274.
Mata uang kertas terawal terbatas pada wilayah tertentu dan tak dipakai di luar bon-bon terspesifikasi, namun kertas sempat didukung oleh toko-toko emas dan perak, pemerintah Dinasti Song mengisiasikan mata uang kertas seluruh negeri, antara 1265 dan 1274.