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Add section abt confs and reorgs to security-warnings.md

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Jay Graber 2016-09-29 23:35:54 -07:00
parent c646632223
commit a9ca16013d
1 changed files with 6 additions and 1 deletions
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doc/security-warnings.md
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@ -43,3 +43,8 @@ REST Interface
The REST interface is a feature inherited from upstream Bitcoin. By default, The REST interface is a feature inherited from upstream Bitcoin. By default,
it is disabled. We do not recommend you enable it until it has undergone a it is disabled. We do not recommend you enable it until it has undergone a
security review. security review.
Confirmations and Reorgs
----------------------------
When using a low number of minimum confirmations, users should be aware of new behavior in Zcash that differs significantly from Bitcoin. In the case of a blockchain reorganization, Bitcoin's coinbase maturity helps ensure that any reorg shorter than the maturity interval will not invalidate any of the rolled-back transactions. However for Zcash, all JoinSplits which were anchored within the reorg interval will become invalid, rolling back transactions and reverting funds to the original owner. The transaction rebroadcast mechanism inherited from Bitcoin will not successfully rebroadcast transactions containing JoinSplits if the anchor needs to change--the JoinSplit creator must do that.