
Privacy Monero Blockchain has rolled out a new client update to provide users with greater security against “spying nodes” on the network.
Fluorine Fermi has been updated. Announce via X on Thursday, with the team stating that it is a “highly recommended release.”
The term “spy contract” is part of the vernacular used in the Monero community. It refers to malicious nodes, groups of nodes, or botnets that have the ability to calculate IP addresses and match them to transactions taking place on the network.
The changes focus on using an improved peer selection algorithm that avoids connecting to large subnets of IP addresses favored by “spy nodes,” with users instead being pushed to connect to what are considered more secure nodes. The update also includes some general reliability and stability fixes.
Monero Privacy Threats
Fluorine Fermi provides another tool for users to protect their privacy.
Considering that spy nodes threaten users’ privacy contrary to the main goal of the project, the community has worked hard to find alternative solutions, It consolidates Safety practices, enhanced autonomous node operation and use of software to provide a shield against Harmful Contracts on Monero.
Related to: Privacy is an “ongoing battle” between blockchain stakeholders and the state
One of these ideas, Suggested By the Monero Research Lab in late 2024, it is to enable node operators to create a blacklist of all IP addresses suspected of being spy nodes, thus avoiding contact with them.
However, this is not seen as a completely foolproof or sustainable tactic, as malicious node operators can continue to set up new spying IP addresses if they need to.
Another tool promoted by the community is the use of Dandelion++, a software designed to prevent malicious actors from linking IP addresses to transactions.
Monero’s privacy issues were partly highlighted by a leaked video from Chainalogy that surfaced in September 2024.
Cointelegraph was provided with the video by an anonymous source, who claimed that Chainalysis was able to track transactions back to 2021 via its “malicious” Monero nodes.
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