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If the so-called Q-Day arrives and quantum computers break current cryptography, wallets controlled by exchanges or stablecoin issuers could be targeted before the Bitcoin linked to Satoshi Nakamoto, Cointelegraph reported on August 10.
Christopher Smith, co-founder and chief executive officer of Quantus Network, said a sufficiently powerful quantum computer could derive a private key from a public key alone and steal assets. Unlike conventional hacks, such breaches may leave little to no forensic evidence.
“If someone cracks your private key, that doesn’t mean they leave behind a message explaining how the attack happened,” Smith said. At a heavily secured institution, the absence of any clear sign of compromise could itself be the only clue.
Markets have long worried that Satoshi Nakamoto’s Bitcoin, estimated at about 1.1 million BTC, would be the first major asset threatened by quantum computing. Smith argued that a real attacker would more likely pursue targets with greater economic value, such as exchange hot wallets or administrator wallets with authority to issue Tether’s USDT.
