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Data structures

Data that can be put into NFT​

  • Keys and Values: strings up to 30 characters and Fields, written as Fields
  • Texts: texts of any length, written as Field arrays
  • Files: text, image, word, any other formats, including audio, video, PDF, binary. Written as two Merkle Trees: one with metadata and the other with file data: 30 bytes per Field for binary files, one character per Field for text files, and one pixel per Field for image files
  • Maps: any collection of the types above grouped together.
  • All the data can be marked as public or private

Proving and verifying the data​

  • Proving and verifying key-value pairs
  • Proving and verifying the texts, including redacted
  • Proving and verifying the text and binary files as a whole file using SHA3-512
  • Proving and verifying the redacted text and word files (some characters can be redacted by using masks)
  • Proving and verifying the redacted PNG image files (some pixels can be redacted by using masks)