# Weekly Update #111

**URL:** <https://discourse.peercoin-library.org/t/weekly-update-111/2955>\
**Category:** News\
**Created:** [October 7, 2014, 4:32pm UTC](https://discourse.peercoin-library.org/t/weekly-update-111/2955 "2014-10-07T16:32:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Sunny\_King](https://discourse.peercoin-library.org/user_avatar/discourse.peercoin-library.org/sunny_king/32/1937_2.png) [@Sunny\_King](https://discourse.peercoin-library.org/u/Sunny_King)\
**Post date:** [October 7, 2014, 4:32pm UTC](https://discourse.peercoin-library.org/t/weekly-update-111/2955/1 "2014-10-07T16:32:11Z")

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Weekly Update #111

[ul][li]Mike’s work on duplicate stake protocol has been reviewed and scheduled for v0.5. This work introduces a change in the duplicate stake detection, such that when a block is received having the same proof-of-stake with the current best block (the latest block on main chain), the best block would be rolled back and proof-of-stake would be minted on top of previous block. At the same time, the block causing the rollback of best block is broadcasted to other nodes to take actions[/li]  
[li]This solution introduces disincentive to minting on multiple branches, that is, this type of minters risk losing the acceptance of their blocks.[/li][/ul]

Have fun!

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**Author:** ![nemecis1000](https://discourse.peercoin-library.org/letter_avatar_proxy/v4/letter/n/d26b3c/32.png) [@nemecis1000](https://discourse.peercoin-library.org/u/nemecis1000)\
**Post date:** [October 9, 2014, 2:32am UTC](https://discourse.peercoin-library.org/t/weekly-update-111/2955/2 "2014-10-09T02:32:15Z")

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# I think the number of active nodes is very low only 244 at the time,

would be best to release the control points to have a greater amount of active nodes, at least about 1000 nodes, so you can postpone the release of checkpoints only when said amount of active nodes is achieved.

# Else is going to work on: [http://www.coindesk.com/gavin-andresen-bitcoin-hard-fork/](http://www.coindesk.com/gavin-andresen-bitcoin-hard-fork/)

and see how it fits in peercoin to improve donot programming anything so I just commented as a suggestion

# I activate a plan peercoin constant promotion with the launch of the V 0.5 client and PeerBox Peercoin (improved)