entry bookkeeping was the simple financial instrument that involved keeping a credit account showing income and a devotee account without going payments. the first complete double entry bookkeeping system can be traced back to thirteen fourteen and ledges from genoa showing government income and expenditure. double entry bookkeeping showed account holders how much capital they had on hand allowing them greater overview and control of their finances. in the mid eighty s were global players they issued loans and signed secured credit notes were travelers that could be cashed in many countries the precursor to today s traveler s checks. and huge sums and spend them again by the time he died he spent six hundred thousand florins equivalent to more than a quarter of