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Stonewall

Stonewall is a single-user privacy feature in Samourai Wallet that creates transactions resembling mini CoinJoins but without multiple parties. It confuses chain analysis heuristics.

How It Works​

  • Constructs a transaction with multiple inputs and outputs
  • Output pattern mimics collaborative CoinJoin (equal outputs, varied sizes)
  • All inputs belong to the same user; no external parties involved
  • Goal: make it harder to determine the real payment output

Round Rock privacy meetup note: "UTXO Management: never reuse addresses, Stonewall"

Resources​