Zcoin v0.14.0.4

INSTRUCTIONS

As always, please backup your wallet prior to updating for safety!

This is an emergency mandatory release for users, exchanges, pools, miners and Znodes. Sigma is temporarily disabled but expected to be re-enabled soon.

If you are stuck on a block, please perform a reindex-chainstate.

Remember that many scammers will be out to offer help to you to help you migrate so don’t accept unsolicited private messages even if it appears from a trusted person (in fact none of the core team members will ever initiate a message to you first). We will also never send out private messages on wallet updates.

CHANGELOG

• Resolve duplicate input bug and implemented blacklist. Disclosure will follow. #894
• Temporary Sigma disable (will re-enable soon). Bug is not related to Sigma.
• Set new addresss for development fund with new percentages. See here for details. #887

BINARIES

• SHA256 Hashes:
  • Linux: d060c76fe5fc0fe2527485035e984413881c4a845f65c4c9e71cc298b227a816
  • macOS: 2fe4e98dc75b3a120ae770ce84caf1459fb630f078bd6cc667d48b32030b9638
  • Windows Installer: 8b6b4648e5a19ec38170e26255ad0232b551370e96b31f5c4a6010ba28b51d04
  • Windows zip: 6ddce998c448695d4dc8af771a2d06256f5c9cdf45a577ae60fdefbb56b6345c
• The signatures can be verified with this public key.

Zcoin v0.14.0.3

INSTRUCTIONS

As always, please backup your wallet prior to updating for safety!

This is a maintenance release but is highly recommended for Znode stability.

Remember that many scammers will be out to offer help to you to help you migrate so don’t accept unsolicited private messages even if it appears from a trusted person (in fact none of the core team members will ever initiate a message to you first). We will also never send out private messages on wallet updates.

CHANGELOG

• Znodes maxconnections set to at least 125 to resolve some quorum forming delays #881
• Znodeblsprivkey mandatory in Znodes now as transition is completed. #883
• Added API functions for Sigma states for light wallet/mobile private transaction support #856
• Added button in QT to reindex wallet and Sigma mints for easy support when Sigma mints are not shown correctly #882
• HD code cleanup and modifications to multiple wallet architecture in core 14 #846
• Ban nodes older than v.0.14 on network #879
• Fix for rare crash when reindex is interrupted #875
• Fix for several build issues #877 #880

BINARIES

• SHA256 Hashes:
  • Linux: 167e8864c18f994153929180126af2c6cacb8a8ec06255578ab4ff6e79005543
  • macOS: ba94c83c7d1526c274a65c003ddb6199e0b01241bfe06d229d71bce5f2362b60
  • Windows Installer: 1e4f77b276aa705a8b95b72dc074ed486aabe97d171b6eaaa9f0743bf7f0785c
  • Windows zip: 4f7d38054c63ef7fdb01bc5816d23571afa6c0ba84b364b54a6343b612d725d8
• The signatures can be verified with this public key.

Zcoin v0.14.0.2

INSTRUCTIONS

As always, please backup your wallet prior to updating for safety!

This is a maintenance release to solve a bug affecting some nodes that fall out of sync.

At block 284400 (Approximately July 13 2020, 12:00 UTC), the legacy Znode system will be discontinued and Znode payments will switch to use Deterministic Znodes. Please register your existing Znodes with the new Deterministic Znodes system.

Please refer to our Deterministic Znode migration guide.

Remember that many scammers will be out to offer help to you to help you migrate so don’t accept unsolicited private messages even if it appears from a trusted person (in fact none of the core team members will ever initiate a message to you first). We will also never send out private messages on wallet updates.

CHANGELOG

• Upgrade to LevelDB 1.20 #869
• Bug fix on Sigma causing assert on block disconnect. #866
• Fixed Elysium reindex test #868

BINARIES

• SHA256 Hashes:
  • Linux: 2b7a7d61dc4ab18883858bbcba6d56346a5aa6711f8c4b23ed5561b515f7b822
  • macOS: 461b824a4f95ef280e5746b6c1c3da90f1ffd86ce8df481f0d01db17e18b488d
  • Windows Installer: be1d915c6093330ce4a28ecedd4408a54226da7b0276c23a81af8490d1d70fb4
  • Windows zip: cfebe5062710bc6086187047dcb48f5e4251271e75140ec8b0d8fa989b98f475
• The signatures can be verified with this public key.

Zcoin v0.14.0.1

INSTRUCTIONS

As always, please backup your wallet prior to updating for safety!

This is a bug fix to 14.0.0 and is mandatory for mining pools and Znode owners. It is also highly recommended for all other users even if you're already on 14.0.0.

At block 284400 (Approximately July 13 2020, 12:00 UTC), the legacy Znode system will be discontinued and Znode payments will switch to use Deterministic Znodes. Please register your existing Znodes with the new Deterministic Znodes system.

Please refer to our Deterministic Znode migration guide.

Remember that many scammers will be out to offer help to you to help you migrate so don’t accept unsolicited private messages even if it appears from a trusted person (in fact none of the core team members will ever initiate a message to you first). We will also never send out private messages on wallet updates.

CHANGELOG

Bug fixes

• Fix for getblocktemplate failing relating to Sigma transactions and its dependency #862
• Fix for protx transactions not being accepted into mempool on mainnet #863 merged into #862

Elysium

• Fixed ECDA signature parsing #853

BINARIES

• SHA256 Hashes:
  • Linux: e0e64fccfda77aadd180282689575f2cc8ce21d93305e1c933a8be782c47320d
  • macOS: f162a57b0ba68f4560a773ada9ac4190885535f2ff7b29c986693d27e9e059ea
  • Windows Installer: 933164e3c24a6050445d54ef0b3f710272ffdff6dbbd3d733ba1533ef7217cbe
  • Windows zip: 48b89ec1ef6c5fe6a33fc5a6ad800b8b30d99446baf5d3a4b844aa62f83cb081
• The signatures can be verified with this public key.

Zcoin v0.14.0.0

INSTRUCTIONS

As always, please backup your wallet prior to updating for safety!

This is a mandatory update with a hard fork on block 278300 (Approximately June 22 2020, 12:00 UTC), after which Znode pro-tx registrations are accepted.

At block 284400 (Approximately July 13 2020, 12:00 UTC), the legacy Znode system will be discontinued and Znode payments will switch to use Deterministic Znodes.

Please refer to our Deterministic Znode migration guide. Note that you can only do the pro-tx registration after block 278300.

If your wallet or Znode is showing a wrong Znode status after the update, please clear your Znode cache. As always, double check the Znode status from another node or site.

Remember that many scammers will be out to offer help to you to help you migrate so don’t accept unsolicited private messages even if it appears from a trusted person (in fact none of the core team members will ever initiate a message to you first). We will also never send out private messages on wallet updates.

CHANGELOG

Deterministic Znodes and LLMQ

• Read more about Deterministic Znodes and LLMQ here. #845

Bitcoin Core upgrade to Core14/15

• Validation speed and network propagation performance have been greatly improved, leading to much shorter sync and initial block download times.
• Code cleanups and better clarity

Tor

• Tor upgraded to v0.4.2.7

Elysium

• Elysium activation date pushed to block 281532 #848

BINARIES

• SHA256 Hashes:
  • Linux: 5b6625a0b47854b0480b25345d0e3b068543fb2443a3ba55c02c26c56c99396f
  • macOS: 4edcc28ae82d942ebb315f94949f99b099de6f5f350bbd3aa6a366c375e51995
  • Windows Installer: a6ae01479b6463468b8ad3a5a08c68e612698d2f2172bb7894d1604075a713a9
  • Windows zip: 520fcd41f092a7f2b2ff4141d64b069158b50c1c3c66bf104fc2b1a719a4b139
• The signatures can be verified with this public key.

Zcoin v0.13.8.10

INSTRUCTIONS

As always, please backup your wallet prior to updating to this version for safety!

This is an optional update but contains various new features and bug fixes and is therefore a recommended update.

CHANGELOG

New feature

• Mnemonic seed phrase wallet backup. This is available for newly created wallets allowing you to backup your funds and Sigma mints with a single seed phrase. #559 #641 #772 #774 #807

UI Improvements

• Overview page now shows Sigma balances which will count towards your total funds. #791 #796 #801
• Locked coins now no longer show as being available to mint #799

Bug and Maintenance fixes

• Fixes bug with Zerocoin import #787
• Resolves bug where an unencrypted wallet is updated to Sigma version and causes a db deadlock #802 #809
• Client versions older than v13.8.8 are now banned (prior to Sigma fix) #797

BINARIES

• SHA256 Hashes:
  • Linux: 603926164a271bd1e61431d62de1d52b3b9c0035ed380b36f2f12a0078ede20c
  • macOS: 9d7e0fca7e36e405abcb4c4d59cd7e2ac4961877b5b2f054830b1068a24b4b3c
  • Windows Installer: a5ea224151f3829d739d3e4d03dd14d9ba1117cb8b31c7bd29e68b28857ae7b8
  • Windows exe: b76b1cff15b05663e71e23ab2bfed46c1e22672f031edbf10b0252303bd40bcf
• The signatures can be verified with this public key.

Zcoin v0.13.8.9

Instructions

As always, please backup your wallet prior to updating to this version for safety!

This is a mandatory update with an important fix to Sigma. Please update immediately.

If you have issues with your Sigma mints displaying wrong or are missing, you can resolve this by the zapwalletmints flag.

If you are late to update and stuck on block 220754, please type this in your console,
reconsiderblock 6107425d088589dcb6fe693a5ce3a928424048fb43cad6215e83e0ef4e01d63d
wait for a few seconds then restart your wallet.

Changelog

• Fixes wallet loading issue when the wallet contains Sigma spends.

Binaries

• SHA256 Hashes:
  • Linux: 36dc74093b4144be8f0ed6948bf9b0bdeefe9a1c256662f06e391823e0b4c067
  • macOS: 7e807c11932d1eea20559986950f0379ffeab686dbef0698736ef76cc3a2ed54
  • Windows Installer: 533d50e3c7a259173dc6cce119c3094838399b7b38b1b44704767047aad9597a
  • Windows exe: 734decd76402df0b56986e9c0e06ad77c60eef978c3dab9532453b32a6002cff
• The signatures can be verified with this public key.

Zcoin v0.13.8.8

Instructions

As always, please backup your wallet prior to updating to this version for safety!

This is a mandatory update with an important fix to Sigma. Please update immediately.

If you have issues with your Sigma mints displaying wrong or are missing, you can resolve this by the zapwalletmints flag.

Changelog

• Security fix to Sigma thanks to a submission via our bug bounty program. Thanks to the researcher for the responsible disclosure. Patched without incident. #777
• Sigma disabled from block 219904 and re-enabled with new Sigma spend format on block 220720.
• Version number skip to v13.8.8 as 13.8.6 and 13.8.7 were internal transition builds when patching the issue.

Known Issues

• The wallet load may be slower and transactions dates be reset with the wallet start date if Sigma spends are in the wallet. The fix is due at the earliest. -zapwallettxes=1 can be used to restore the transactions.

Binaries

• SHA256 Hashes:
  • Linux: BADAB4C7E42CB7CE567C1E02A700B52F7EA3F55780E4E180B89596AD940F7189
  • macOS: 11972B3106E381680DF45B49D41BBB1E5499551CE909993188CD63FF73866755
  • Windows Installer: E24A81B6E6A07DC0FC523CE4493A135B66F15BE4D310089B80103F028C4E9040
  • Windows exe: 6FF2A4CB95E981479C7F3EE2D9F0DFEC62CDFEA049618B86B749E4799A8AC372
• The signatures can be verified with this public key.

Zcoin v0.13.8.5 Sigma

Instructions

As always, please backup your wallet prior to updating to this version for safety!
This update is recommended as it contains various bug fixes.

Changelog

• Exodus tokenization layer with Sigma support completed. This allows anyone to create their own token with Sigma privacy with Zcoin's blockchain. Activation block 212,000. Read how to use Exodus here
• Prevent mints with the same pubcoin from entering into mempool #744
• Bans clients earlier than 13.8.2 (pre Sigma) from connecting to network #742
• Fixed unspent index for Zerocoin remints to Sigma of denomination 50 XZC #714
• Fix listaddressgroupings when containing Sigma spends #730
• Fix issue with Sigma mint creation #741

Binaries

• SHA256 Hashes:
  • Linux: 52f8a722bb1cc5c53e77edf81f6f1300f3b15d53f9cb4fcee90367f11ad84dd9
  • macOS: f568aff5b3b2186ad74dc822a2dbeef1571783f31e37b8e15fcb2d82c177b8b1
  • Windows Installer: 72c2b73d99e1d8971e5ab4f8d98aad9880085026d675f57f6580aa196694acaa
  • Windows exe: 601030d927d9d4d9c5066a8fb9ce990a83b8ce5330e983239e5e4319fef03937
• The signatures can be verified with this public key.

Zcoin v0.13.8.4 Sigma

Instructions

This is an optional but recommended update for all users, Znodes, mining pools and exchanges.

It fixes a deadlock that resulted in nodes becoming randomly unresponsive along with other minor bugs.

As always, please backup your wallet prior to updating to this version for safety!

Changelog

• Fixes rare bug in Sigma spend transaction and in reorg #594
• Fixed Znode deadlock #612
• Add remint parsing to getrawtransaction #616
• Show fee when doing Sigma spends to self #610
• RPC wallet tests fix for wallet-dump, walletbackup and wallet-hd #567

Binaries

• SHA256 Hashes:
  • Linux: 201a6b9d9734d20791a79d64f5bb3188f7c9a7ac89adb89143a004cda38bbd00
  • macOS: f65f75520bdac846a733b91f683cd8639a5d193b4e4c9aa0ead9582985f6dbde
  • Windows Installer: 420cd2f12722e075dd53702d047b010151caf71aab6cb0c770fbfe581c6b8e08
  • Windows exe: c32b07b5dbbc896e0d6fb87a25625f687944789cb7563891d23ba6fcc54098d2
• The signatures can be verified with this public key.