Mixing / CoinJoin
Definition
Mixing (CoinJoin) combines multiple users' transactions into one, obscuring the link between inputs and outputs. Each participant contributes inputs and receives outputs of equal value. Post-quantum mixing uses quantum-resistant signatures for all participants.
Technical Explanation
CoinJoin transactions have multiple inputs from different users and multiple outputs of equal amounts to different addresses. Observers cannot determine which input paid which output—all combinations appear equally likely. Coordination requires secure communication.
Quantum considerations: mixing doesn't hide quantum-vulnerable signature data. If input signatures become forgeable, mixing history provides false comfort. Quantum-resistant signatures (SPHINCS+) ensure mixing participants maintain genuine ownership through the quantum era.
SynX Relevance
Mixing on SynX uses SPHINCS+ signatures for all participants, with Kyber-768 securing coordination channels. Transaction graph obscuration combines with quantum-resistant authorization. Break transaction links while maintaining cryptographic security.
Frequently Asked Questions
- Is mixing legal?
- Privacy is legitimate; mixing for lawful purposes is generally legal. Check local regulations.
- How effective is mixing?
- Effectiveness depends on participant count, equal amounts, and avoiding address reuse afterward.
- Can mixing be traced?
- With enough analysis and heuristics, some links may be inferred. Combine with other privacy techniques.
Break transaction links with quantum security. Privacy features with SynX