Bitcoin Core Releases v31.1rc1 With Privacy Fix for PrivateBroadcast and MuSig2 Improvements

Bitcoin Core released v31.1rc1, a release candidate for public testing, with a privacy patch for PrivateBroadcast, MuSig2 signature improvements, and wallet migration optimizations.

• Fixes a privacy issue where a user's IP address could be inadvertently exposed when using PrivateBroadcast
• Improves MuSig2 support by rejecting empty or invalid public key lists to prevent incorrect signature aggregation
• Enhances wallet migration checks and transaction input size estimation for more reliable operations
• Includes better network behavior for privacy tools and proxy settings
• Developers are urged to test the release candidate before the stable version ships

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