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Post-quantum cryptography risk has emerged as a pressing concern for blockchain networks, with Solana co-founder Anatoly Yakovenko warning about the long-term security of cryptographic systems.
Yakovenko’s comments focus on wallets, transactions, and network integrity across the broader crypto industry. While the risk is forward-looking, he said concerns are increasing as quantum computing research advances.
Yakovenko said the biggest risk is that artificial intelligence could break post-quantum cryptography (PQC) signature schemes. He argued that even the “implementation footguns” are not fully understood, let alone potential mathematical vulnerabilities.
“I think the biggest risk is that pqc signature schemes will get broken by ai, we don’t know all the implementation footguns even, let alone the math footguns. So we need to support 2/3 wallets for them. or ideally natively with PDAs in the tx processor.” — toly 🇺🇸 (May 2, 2026)
He also highlighted that practical deployment dangers remain unclear, which he said makes it harder for blockchain networks to transition confidently to quantum-resistant cryptography.
To address the transition period, Yakovenko proposed practical steps for securing networks while moving toward post-quantum systems. He suggested adding support for 2/3 multi-signature wallets for post-quantum schemes.
He also recommended native support through Program Derived Addresses (PDAs) within transaction processors as a stronger alternative.
In his post, Yakovenko tagged @fusewallet, indicating interest in collaboration. His comments align with a broader push within the Solana ecosystem to treat quantum readiness as a technical priority, targeting developers building wallet infrastructure.
Solana’s engineering arm, Anza, has already published research on securing the network against powerful quantum adversaries. The work examines how Solana could transition to quantum-resistant schemes while maintaining its performance standards, indicating the issue is moving from theory into active planning.
The challenge is not limited to Solana. Any blockchain that relies on ECDSA or EdDSA signatures faces the same long-term exposure if a sufficiently capable quantum computer becomes available. The article also notes that Bitcoin, Ethereum, and other major networks use public-key cryptography that could be compromised in that scenario.
Ethereum has also outlined a quantum resistance roadmap as part of its long-term strategy. The parallel efforts across major protocols suggest post-quantum preparedness is becoming an expected baseline, and networks that show a clear migration path may be viewed as more credible by institutional investors.
The core difficulty is coordinating a cryptographic migration across millions of wallets and smart contracts without disrupting active network operations. The article emphasizes that this makes the process technically complex.
It concludes that networks that begin preparing earliest will likely be in the strongest position as quantum computing capabilities mature further.
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