Decrediton 2.1.7

What's new in 2.1.7

Install

To install Decrediton desktop wallet, download, uncompress, and run Decrediton Linux AppImage or Decrediton Linux tar or Decrediton macOS arm64 or Decrediton Windows.

To install the command-line tools, please see dcrinstall.

See decred-v2.1.7-manifest.txt and the other manifest files for SHA-256 hashes and the associated .asc signature files to confirm those hashes.

See README.md for more info on verifying the files.

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Contents

• dcrd
• dcrwallet

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dcrd v2.1.7 Release Notes

This is a patch release of dcrd that includes the following notable changes:

• Several fixes for network and mixing-related denial-of-service (DoS) attacks
• Improved mixing performance
• Resolves a memory leak that accumulates slowly over time
• Corrects the test network initial synchronization issue introduced in v2.1.6
• Adds extensive safeguards against unexpected transaction spends

Upgrade Highly Recommended

Miners, stakeholders, and anyone running a full node are strongly encouraged to upgrade to this release. It includes multiple fixes for potential denial-of-service (DoS) attacks that could disrupt node operation.

Miners, in particular, are at risk of having their template generation stalled.

Spend Safeguards

In response to the previous inflation bug, this release adds extensive safeguards designed to detect unexpected transaction spends that should not be possible. When these safeguards detect certain unexpected conditions, the affected node will shut down rather than continue operating in a potentially
unsafe state.

These safeguards would have prevented the previous inflation bug by causing all affected nodes to halt when they encountered the invalid spend. They are also designed to catch a broader range of potential problems that could otherwise go unnoticed.
Changelog
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Full release notes »