bitcoin/bips
1
0
Fork 0
mirror of https://github.com/bitcoin/bips.git synced 2026-02-23 15:38:22 +00:00
Code Issues Releases Wiki Activity

add recommended handling for notification tx change outputs

Browse Source
This commit is contained in:
Justus Ranvier
2016-04-19 13:03:13 -05:00
parent 8b11b61981
commit 37a35b5565
1 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
bip-0047.mediawiki
View File

@@ -194,6 +194,17 @@ Alice SHOULD use an input script in one of the following standard forms to expos
Compatible wallets MAY provide a method for a user to manually specify the public key associated with a notification transaction in order to recover payment codes sent via non-standard notification transactions. Compatible wallets MAY provide a method for a user to manually specify the public key associated with a notification transaction in order to recover payment codes sent via non-standard notification transactions.
=====Post-Notification Privacy Considerations=====
Incautious handling of change outputs from notification transactions may cause unintended loss of privacy.
The recipient of a transaction which spends a change output from a prior notification transaction will learn about the potential connection between the sender and the recipient of the notification transaction.
The following actions are recommended to reduce this risk:
* Wallets which support mixing SHOULD mix change outputs from notification transactions prior to spending them
* Wallets which do not support mixing MAY simulate mixing by creating a transaction which spends the change output to the next external BIP44 address
====Sending==== ====Sending====
# Each time Alice wants to initiate a transaction to Bob, Alice derives a unique P2PKH address for the transaction using ECDH follows: # Each time Alice wants to initiate a transaction to Bob, Alice derives a unique P2PKH address for the transaction using ECDH follows: