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Kou Jian

Northern Song prefect of Yizhou who addressed the credit crisis of early merchant notes and advocated official state paper currency.

Also known as Zi Cigong · Prefect Kou Jian

Kou Jian (966 CE–1031 CE) was an efficient Northern Song administrative reformer. As Prefect of Yizhou (Chengdu), he suppressed fraudulent private promissory note practices and paved the way for official state-backed Jiaozi currency.

Life and times

  1. 966 CEBornFive Dynasties and Ten KingdomsSong
  2. 1023World's First Paper CurrencyTook partage 57Official issuance of Jiaozi in Song Sichuan, pioneering the world's first fiat paper currency.
  3. 1031 CEDied