whitepaper:
  type: object
  properties:
    link:
      type: string
      example: https://static.coinpaprika.com/storage/cdn/whitepapers/215.pdf
      description: The whitepaper URL
    thumbnail:
      type: string
      example: https://static.coinpaprika.com/storage/cdn/whitepapers/217.jpg
      description: Link to the whitepaper thumbnail