Smart Contracts, Bitcoin, Bitcoin Sv, Zkp, Zero Knowledge Proofs.
A way is needed to encrypt and hide w, while still ensuring C(w) is true. To prevent these attacks, w is encrypted with a shared key using a symmetric encryption. It is derived from an Elliptic Curve Diffie–Hellman (ECDH) key exchange, as Fig. 2 illustrates. Alice’s public key QA is published in