title: Jacopo Silvestri
text: # Jacopo Silvestri
  
  Jacopo Silvestri (15th century – 16th century) was an Italian cryptographer and author.
  
  He was born in Florence. The limited information on his life comes from what he wrote about himself in his work, the Opus novum ("New work"), considered the second printed work about cryptography.
  
  ## Works
  
  * Silvestri, Jacopo (1526). Opus novum praefectis arcium (in Latin).
  