Provenance
Accounting is one of the strongest, oldest, most mature, and most rigorously enforced provenance preserving systems humans have ever build. Every accounting system is a provenance machine for economic activity of an economic entity. Part of that provenance machine is the double-entry bookkeeping (a.k.a. double entry accounting) mathematical model. The first documented use of double-entry bookkeeping was in 1211 by a bank in Florence. This meant that for the first time, a trusted family member did not have to keep the books. Around 1300 double-entry bookkeeping came of age. In 1494 during the Renaissance, Venetian mathematician and Franciscan friar Luca Pacioli published a book, Summa de arithmetica, geometria. Proportioni et proportionalita (Sum of Arithmetic, Geometry, Proportion and Proportionality) which formally documented and standardized double-entry bookkeeping. Accounting records where economic events came from, documents who performed them, pres...