October 9, 2026 — Emin Gün Sirer, the founder of the Avalanche blockchain, has warned that artificial intelligence may uncover previously unknown software flaws in the XRP Ledger, a caution with immediate relevance to XRP holders and to the developers who maintain the network's code.

In a post on X published on October 9, Sirer wrote that "we will see AI exploiting system-level bugs long before…". The remark points to a scenario in which automated tools identify, and potentially exploit, serious vulnerabilities before they can be patched. As quoted, the post is truncated, so the full scope of Sirer's remarks is not part of the available record.

Why zero-day flaws matter

A zero-day vulnerability is a security flaw that developers have had no time to fix — one that may be unknown even to a project's own maintainers. Because no patch exists at the time such a bug is discovered, zero-days are widely regarded as among the most dangerous classes of software defects. Blockchains are particularly sensitive to them: an exploitable bug in consensus or validation code can put network integrity and user funds at risk.

The XRP Ledger adds a further dimension to the problem. As an open-source network, its code is publicly readable — a property that lets community developers audit it continuously, and one that places the same material within reach of automated analysis tools.

Background: Sirer and the XRP Ledger

Sirer is a veteran distributed-systems researcher known for his academic work at Cornell University. He co-created the Avalanche consensus protocol, introduced in 2018, and co-founded Ava Labs with Kevin Sekniqi and Maofan "Ted" Yin. The Avalanche network's mainnet launched in September 2020.

The XRP Ledger is an open-source blockchain that went live in 2012 and is the native network of the XRP token. Ripple, the payments company most closely associated with the ledger, is one of its principal corporate stakeholders, and the network is maintained by a global community of validators and developers.

AI and software security

AI-assisted discovery of security flaws is an active field of research: machine-learning systems are increasingly used to scan large codebases for through techniques such as fuzzing and automated code analysis. Sirer's warning reflects his assessment that such capabilities could soon be turned on live blockchain systems, including the XRP Ledger.

The dual-use dynamic at the heart of his caution is straightforward: the same automation that helps developers find and patch flaws can, once a weakness is located, be turned against it before a fix ships. For readers following the story, the markers to watch are any expanded remarks from Sirer and any response from the developers who maintain the XRP Ledger's codebase.

This article draws on Sirer's post on X and was first published by COINOTAG: https://en.coinotag.com/avalanche-founder-sirer-warns-ai-xrp-ledger-zero-day-bugs