The license explicitly forbids using this for NFTs. Cut and pasted from the very end:
Licensing:
"Basic" version license: MRMO-Halftone "Basic" version can be used in non-commercial projects of any kind, excluding those relating to or containing non-fungible tokens ("NFT") or blockchain-related projects. You can modify it to suit your needs. You may not redistribute, or resell it, even if modified. Credit is not necessary, but very much appreciated.
"Deluxe" version license: MRMO-Halftone "Deluxe" version can be used in both non-commercial and commercial projects of any kind, excluding those relating to or containing non-fungible tokens ("NFT") or blockchain-related projects. You can modify them to suit your needs. You may not redistribute, or resell them, even if modified. Credit is not necessary, but very much appreciated.
Licensing:
"Basic" version license: MRMO-Halftone "Basic" version can be used in non-commercial projects of any kind, excluding those relating to or containing non-fungible tokens ("NFT") or blockchain-related projects. You can modify it to suit your needs. You may not redistribute, or resell it, even if modified. Credit is not necessary, but very much appreciated.
"Deluxe" version license: MRMO-Halftone "Deluxe" version can be used in both non-commercial and commercial projects of any kind, excluding those relating to or containing non-fungible tokens ("NFT") or blockchain-related projects. You can modify them to suit your needs. You may not redistribute, or resell them, even if modified. Credit is not necessary, but very much appreciated.