CIPNFT stands for Cryptographic Information Protocol NFT (aka Cipher NFT). Metadata is encrypted in the browser and stored as ciphertext fully on-chain. Ownership transfers update a compact on-chain key envelope, so only the current secret-holder (or an optional view-key holder) can decrypt. The protocol is designed for robust long-horizon confidentiality, including post-quantum key envelopes.
// THE MARKET
// PROTOCOL
CIPNFT stores ciphertext on-chain. Encryption happens client-side using XChaCha20-Poly1305 with a per-token 32-byte DEK. The DEK is stored as an on-chain owner envelope and re-wrapped on transfer. Buyer-safe escrowed sales use deliver → verify → finalize to prevent payout without buyer verification. The protocol is designed for long-horizon secrecy using post-quantum key envelopes (ML-KEM) over a public archival ledger.
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