Protocol Notices

NavCoin is an open source protocol to which anyone can contribute. The NavCoin Core developers have enacted a policy to provide fair opportunity for any interested party to review all changes they make to the NavCoin protocol prior to public release.

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NavCoin Core 4.7.1 - Community Fund Nullified Entry Patch

  • Craig MacGregor
  • 29 Oct 2019

This patch fixes a bug where a cfund database entry that was previously deleted is still persisting, preventing future writes of the entry. This can happen in a scenario where a proposal is included in a block which is invalidated (because of a reorganization) which is then included in a new block as part of the new longest chain. This fix is the main purpose of the 4.7.1 patch release, while preparing this bugfix there were several other PR’s merged which are also included in this release.

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NavCoin Core 4.7.0 - Purple Zebra

  • Craig MacGregor
  • 12 Sep 2019

Purple Zebra is the culmination of the last few months of work on NavCoin Core and includes 40 closed pull requests, many new features and important security updates & stability fixes. Due to the security patches, upgrading to Purple Zebra should be considered mandatory and performed as soon as possible, especially if you are staking.

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NavCoin Core 4.6.0

  • Craig MacGregor
  • 7 May 2019

NavCoin 4.6.0 adds many new features including the Community Fund UI, Mnemonic Seed Phrase support and the recent bug concerning block reorganisations and payment requests.

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NavCoin 4.5.2 Hard Fork

  • Craig MacGregor
  • 12 Feb 2019

NavCoin is hard forking at block 2882875 to mitigate an issue with the Community Fund payment requests. Please update to NavCoin Core 4.5.2 before Saturday 16 February at 18:30 GMT to avoid network disruption.

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“Fake Stake” Vulnerabilities Resolved

  • Craig MacGregor
  • 23 Jan 2019

NavCoin Core have successfully resolved the “Fake Stake” resource exhaustion vulnerabilities as described by Andrew Miller and his team of students based out of the University of Illinois.

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NavCoin 4.5.1 Hard Fork

  • Craig MacGregor
  • 17 Dec 2018

NavCoin is hard forking at block 2722100 to mitigate an issue with the Community Fund expired proposal states. It is mandatory to update to NavCoin Core 4.5.1 before Friday 21 December at 00:00AM GMT to avoid network disruption.

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NavCoin Core 4.5.0

  • Craig MacGregor
  • 13 Dec 2018

NavCoin Core 4.5.0 has been released today which marks the last significant update to NavCoin Core of 2018. This release includes two important consensus soft forks which will bring greater security to the network and to individuals funds; Cold Staking and Static Rewards.

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Community Fund Locked-in, Upgrade Now Mandatory

  • Craig MacGregor
  • 9 Nov 2018

The Community Fund soft fork has successfully passed network consensus with over 83% of blocks voting in favour of the consensus change on just the third voting period since version 4.4.0 was released.

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NavCoin Core 4.4.0

  • Alex Vazquez
  • 23 Oct 2018

After almost a year and a half since the initial conversations began and the initial proposal was made, NavCoin Core v4.4.0 is now available for download. v4.4.0 introduces the final modifications required for the Community Fund to be fully functional.

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NavCoin Core 4.3.0

  • Paul Sanderson
  • 4 Sep 2018

NavCoin Core 4.3.0 is now available for download. The 4.3.0 release completes the implementation of the OpenAlias protocol into the NavCoin Core client as well as adding Wallet support for bootstrapping. - Read more about NavCoin OpenAlias here.

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NPIP004: Static Block Reward

  • Craig MacGregor
  • 18 Aug 2018

After the ClockSync fix was soft forked into the network a couple of months ago, NavCoin is now compliant with the Proof of Stake v2 protocol as published by Blackcoin.

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4.2.1 Soft Fork Now Locked In

  • Craig MacGregor
  • 28 Jun 2018

The soft forks in version 4.2.1 have now achieved lock in with an 82% approval, and will soon activate two changes to NavCoin’s consensus mechanism. All users are required to update to 4.2.1 by block 2237760 to remain connected to the network.

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NavCoin 4.2.1 - 32Bit NTP Sync Hotfix

  • Craig MacGregor
  • 11 Jun 2018

The issue preventing NavPi users from successfully upgrading to 4.2.0 has now been patched with version 4.2.1. If you are using the NavPi and want to support the community fund accumulation soft fork make sure you update now and resume staking with the new version.

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NavCoin 4.2.0 NavPi Patch Notice

  • Craig MacGregor
  • 6 Jun 2018

NavCoin Core 4.2.0 was released today which includes the NTP server check to make sure every device has their system clock synced correctly when minting blocks. An unforeseen issue has been found when updating the NavPi using the updater script.

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NavCoin 4.2.0

  • Craig MacGregor
  • 6 Jun 2018

NavCoin Core 4.2.0 is now available for download. This update includes two important soft forks. One kick starts the accumulation of the community fund while the other adds NTP server syncing to ensure all blocks are submitted with the correct timestamp. Please make sure you update your wallet if you want to see these soft forks enabled.

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NavCoin Core 4.2.0 Release Candidate

  • Craig MacGregor
  • 27 May 2018

The NavCoin Core developers have enacted a policy to create a release candidate and publicly notify all interested parties of any important updates prior to merging the changes into the master branch. This release schedule will be formalised into a process document to be published on the NavCoin.org website in the near future as reference. There are two reasons for this update:

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