Johns Hopkins cryptographer Matthew Green said on X that artificial intelligence could eventually uncover mathematical weaknesses that decades of human research have missed, creating risks for public-key cryptography. He said that if AI were to find a way to solve elliptic-curve cryptography problems much faster, attackers could potentially recover private keys and steal funds from crypto wallets. Green stressed that there is currently no public AI-based attack capable of breaking the core cryptography used by Bitcoin or Ethereum. His concern is centered on what AI might discover in the future rather than on any known present-day break. As an example, he said AI-driven research could show that systems widely believed to offer 128-bit security may in fact provide only 96 or 108 bits of security, cutting attack costs by roughly a million times. Blockstream CEO Adam Back questioned the warning and called it "dubious." Some investors are already adjusting their behavior. Capriole Investments founder Charles Edwards said he has stopped using DeFi and reduced the number of wallets and accounts he maintains.
Johns Hopkins cryptographer Matthew Green said in a post on X that AI could uncover mathematical weaknesses that decades of human research have failed to spot, putting public-key cryptography at risk.
Green said that if AI finds a way to dramatically speed up the solution of elliptic-curve cryptography problems, attackers could recover private keys and steal funds.
He also said there is currently no public AI attack that can break the core cryptography behind Bitcoin or Ethereum. His concern, he said, is that AI may discover such vulnerabilities in the future.
As an example, Green said AI-driven discoveries could reveal that some systems believed to provide 128-bit security actually offer only 96 or 108 bits, reducing attack costs by about a million times.
Blockstream CEO Adam Back was skeptical of the warning, calling it "dubious."
Some investors have already taken precautionary steps. Capriole Investments founder Charles Edwards said he has stopped using DeFi and reduced the number of wallets and accounts he uses.
The item cited BeInCrypto.
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