Kriptomenjačnica

Bitcoin Privacy

Bitcoin is not anonymous — transaction graph analysis, CoinJoin and privacy tools.

Bitcoin is pseudonymous, not anonymous — all transactions are public on blockchain, and analytics firms can deanonymize users.

Why Bitcoin isn't private:

Every transaction visible on blockchain
UTXO model = transaction graph
Chain analysis firms: Chainalysis, Elliptic, CipherTrace
KYC exchange: connects your identity to wallet address
"Taint" — BTC from scam/exchange remains tracked

Privacy problem:

Spend BTC in a store → merchant can see all your previous transactions
Send BTC to friend → they can see your balance

Privacy tools:

1. CoinJoin • Combines multiple user transactions into one • Wasabi Wallet, JoinMarket — CoinJoin implementations • Reduces transaction graph tracing

2. Taproot + Schnorr • Multisig and script txns look like regular • Improves privacy at protocol level

3. Lightning Network • LN transactions not on-chain • More private than on-chain BTC

4. Bitcoin mixers (controversial) • Tornado Cash analog for BTC • Regulatory risk (OFAC sanctioned Tornado Cash)

5. Monero as alternative • XMR privacy by default • Ring signatures, stealth addresses, RingCT • Problem: exchanges delist XMR under regulator pressure

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