How Did Nasdacoin (NSD) Avoid the Crash? Game Changer or Ponzi Scheme? November 19, 2018 Greg Thomson Cryptocurrencies Continue Reading? Join Now! Log In Tags:nasdacoin nsd nsd coin nsd/usd what is nasdacoin. Previous Next Author: Greg Thomson Greg Thomson is a full-time crypto writer and digital nomad. He eats ICOs for breakfast and bleeds altcoins. Wherever he lays his public key is his home.