From tokens to writing
Early agricultural communities in the Near East used small clay tokens to record kinds and quantities of goods. The gradual imprinting and drawing of signs on clay formed part of the process from which writing developed. This does not mean writing had only an economic purpose, but accounting was one of its fundamental early uses.
Banca d'Italia reports that roughly 70 to 80 per cent of surviving Mesopotamian tablets are accounting or administrative documents. They record deliveries, wages, sales, leases, loans, debts and cancellations. Records allowed large households, temples, palaces and merchants to coordinate beyond individual memory.
Barley, silver and the shekel
Barley was an essential physical commodity and silver a portable carrier of value. Quantities were expressed in standard measures. The shekel began as a unit of weight; it should not automatically be confused with a later struck coin bearing the same name.
A price recorded in silver does not prove that physical silver settled every transaction. A unit of account can measure an obligation while another good discharges it. We know a similar distinction today: an invoice is stated in euros, but payment changes bank records rather than handing over specific notes.
- a unit of account measures value
- a means of payment transfers value
- a record documents an agreement and its performance
Interest, risk and power
Tablets document loans in silver and barley, stipulated interest, security and the consequences of non-payment. Debt was therefore not merely a technical convenience; it affected ownership, dependency and social power. Sources also record debt cancellation and the release of people reduced to servitude by debt.
A record is not neutral when one institution controls its rules. A temple, palace or court could confirm the measure, obligation and judgement. Accounting improves verifiability, but who may amend the record and resolve disputes remains a political question.
The blockchain analogy has limits
A clay tablet and a blockchain both preserve information about economic relationships, but the resemblance quickly ends. Mesopotamian records belonged to a legal and institutional order involving authorities and witnesses. Bitcoin uses distributed validation, cryptographic signatures and consensus rules.
The lesson is not that Bitcoin is merely a new clay tablet. More importantly, money can simultaneously be a unit, a record and a settlement rule. Only after separating those layers can we compare a bank account, cash and Bitcoin accurately.