Ledger

Meme

The need to keep track of goods and services may well have been the original purpose of writing.

History

• 3400 B.C. Mesopotamian Clay Tablets – The earliest known ledgers were clay tablets used to track grain, livestock, and labor.
• 1300 Double entry bookkeeping was use by Amatino Manucci in Florence to improve accuracy and detect errors of various sources.
• 1890 Herman Hollerith's punched card tabulating machines introduced digital processing to US Census Ledgers.
• 1942 IBM, the successor to Hollerith, constructed one of the first relay computers, used at Harvard University during World War II.
• 1954 Univac electronic computers are installed in corporations to keep accounting Ledgers.

Distributed Ledger Technology