Bitcoin Core, the most widely used software for running Bitcoin nodes, has entered the final testing phase for its next major release, version 32.0. The final release is scheduled for October 10.

Key changes include:

# Faster fee estimation – Previously, Bitcoin Core estimated costs for new transactions based solely on fees from the preceding block. The new version introduces a secondary calculation method that analyzes the fees attached to currently pending transactions. Consequently, fee estimates will drop more rapidly when network congestion eases.

# Faster block processing – Nodes will now be able to utilize multiple threads simultaneously to verify data, thereby reducing the time required to synchronize with the blockchain.

# New wallet format – Four transaction-creation commands will now default to using the new PSBT Version 2 format.

Security fixes:

# A vulnerability present since 2024 (Bitcoin Core 24.0)—which allowed commands to be executed on the node's computer via specially crafted wallet names—has been patched.

# Another significant issue—a memory-exhaustion bug in the new web server—was identified during an audit conducted using Moonshot AI's Kimi K3 model, even before the software's release. Tests revealed that just 16 connections could cause a node's memory usage to spike from 46 MB to nearly 3 GB in under a minute.

While we have frequently discussed the risks associated with AI this week, this incident highlights a different perspective: AI successfully identified a critical issue before the software was even released.

What do you think? Will relying on AI for auditing complex software become the standard in the future?

Source: CoinDesk

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