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The technical director of Ledger identified AI as a risk to cryptocurrencies., 2026/04/06 14:37:05
The Chief Technology Officer of hardware wallet manufacturer Ledger, Charles Guillemet, believes that artificial intelligence reduces costs and simplifies cyberattacks on cryptocurrency platforms. He advised that many systems will ultimately be vulnerable.
For a long time, security was based on an imbalance, the Ledger executive explained: breaching a system should be more challenging and costly than the potential reward from the breach. With the advent of AI, tasks that previously required months of work by skilled professionals can now be accomplished in seconds—provided the request to the chatbot is formulated correctly.
However, Guillemet warns that code generated with the help of AI carries numerous risks: the more developers rely on AI assistants, the faster vulnerabilities can spread. For the crypto sector, where code manages significant amounts of money, this poses serious risks, he cautions. He believes that today, blockchain code must be flawless, as neural networks can exploit it in seconds.
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In light of new threats, crypto protocols need to rethink their security approaches. Guillemet urged developers to implement formal verification—using mathematical proofs to validate code. This method is more reliable than traditional audits, which may not detect certain errors, according to the crypto expert. He also recommended more frequent use of hardware crypto wallets.
Guillemet also highlighted the importance for regular users to critically assess the security of the platforms they use. He advised against trusting crypto platforms without additional verification and suggested assuming that they may fail, recommending that sensitive data, including seed phrases, be stored offline.
Looking ahead, the Ledger CTO anticipates a division in the blockchain space: critically important systems (wallets, protocols) will actively invest in security and adapt to new threats. However, much of the software may struggle to keep pace with the rapid increase in complexity and frequency of attacks.
Over the past year, attacks on crypto projects have resulted in the theft or loss of assets exceeding $1.4 billion. The largest hack this year occurred on April 1, when attackers drained $280 million from the Drift protocol.
