BIP47 PayNyms — reusable payment codes via notification tx + Diffie-Hellman derivation. See also the wallet-side reference at ../../wallets/payment-codes/. USE WHEN: integrating PayNyms, evaluating against Silent Payments.
Scanned 9/8/2026
Install to Claude Code
Skills Directorynpx -y skills add claude-dev-suite/claude-dev-suite --skill bip47-paynyms --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: bitcoin-privacy-bip47
description: |
BIP47 PayNyms — reusable payment codes via notification tx +
Diffie-Hellman derivation. See also the wallet-side reference at
../../wallets/payment-codes/.
USE WHEN: integrating PayNyms, evaluating against Silent Payments.
allowed-tools: Read, Grep, Glob
---
# BIP47 PayNyms (privacy view)
Privacy-oriented summary; full details in
[../../wallets/payment-codes/SKILL.md](../../wallets/payment-codes/SKILL.md).
## Privacy properties
- Sender has anonymity-of-1 — server can correlate "X paid Y" via
notification tx.
- Receiver public address never appears on chain.
- Different sender pairs use different derivation chains → no
cross-sender correlation.
## Compared to Silent Payments
- BIP47 has **notification tx** that leaks the existence of
sender ↔ receiver pairs.
- Silent Payments has **no notification tx** — better privacy.
- BIP47 has **lower scan cost** for receiver.
## Status
- Sparrow + Stack Wallet maintain BIP47 support.
- Samourai (formerly the dominant BIP47 wallet) shut down 2024.
- Adoption in decline as Silent Payments matures.
## See also
- [../wallets/payment-codes/SKILL.md](../../wallets/payment-codes/SKILL.md)
- [silent-payments/SKILL.md](../silent-payments/SKILL.md)
- [stealth/SKILL.md](../stealth/SKILL.md)
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