Stealth Addresses
Web3 / privacy technology
Stealth addresses are a privacy mechanism that generates unique, unlinkable addresses for each incoming transaction, preventing external observers from associating multiple payments to the same recipient with a single wallet or individual. The sender uses the recipient's public key and a random number to derive a unique one-time address for each transaction. Only the recipient, possessing the corresponding private key, can recognize and claim the received funds, while the blockchain records transactions to different addresses that appear completely unrelated to casual observers. Example: Monero employs stealth addresses as a core privacy feature, generating a new unique address for each transaction so that even if someone sends multiple payments to the same recipient, no external party can identify these transactions as belonging to the same individual by analyzing the blockchain. Why it matters for privacy technology: Stealth addresses break the common blockchain analysis practice of clustering addresses and tracking wallet activity over time, making it cryptographically infeasible to construct meaningful transaction graphs or identify repeat recipients.
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