diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/release-notes-13756.md | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/doc/release-notes-13756.md b/doc/release-notes-13756.md index 21006f46a0..a500aceb0f 100644 --- a/doc/release-notes-13756.md +++ b/doc/release-notes-13756.md @@ -7,8 +7,8 @@ A new wallet flag `avoid_reuse` has been added (default off). When enabled, a wallet will distinguish between used and unused addresses, and default to not use the former in coin selection. -(Note: rescanning the blockchain is required, to correctly mark previously -used destinations.) +Rescanning the blockchain is required, to correctly mark previously +used destinations. Together with "avoid partial spends" (present as of Bitcoin v0.17), this addresses a serious privacy issue where a malicious user can track spends by @@ -30,10 +30,12 @@ These include: - createwallet - getbalance +- getbalances - sendtoaddress -In addition, `sendtoaddress` has been changed to enable `-avoidpartialspends` when -`avoid_reuse` is enabled. +In addition, `sendtoaddress` has been changed to avoid partial spends when `avoid_reuse` +is enabled (if not already enabled via the `-avoidpartialspends` command line flag), +as it would otherwise risk using up the "wrong" UTXO for an address reuse case. The listunspent RPC has also been updated to now include a "reused" bool, for nodes with "avoid_reuse" enabled. |