We all know, at least those who've studied a little bit of history about the goldsmiths, how they started off the system of lending out their gold, which was generally out there somewhere; and then they found out they could give out notes instead to represent the gold that was deposited in their vaults.
Sote tunajua, wale waliosomea historia kidogo wanajua kuhusu waliofanya na dhahabu, walianza mfumo wao na kukopa dhahabu iliokuwa pahali na walipata wanaeza patiana noti badala ya dhahabu walioweka.