Quantum computers pose a serious threat to #Bitcoin by undermining the cryptographic algorithms that secure transactions. Specifically, Shor’s algorithm could allow a quantum computer to derive private keys from public keys, enabling an attacker to steal funds. Around 25% of all Bitcoins—more than 4 million—are vulnerable today, stored in addresses where public keys are already exposed or reused.
Even supposedly “safe” addresses become vulnerable once a transaction is initiated and the public key is revealed. This creates a critical window—currently about 10 minutes—during which a quantum computer could reverse-engineer the private key and hijack the transaction.
To secure Bitcoin against this emerging threat, post-quantum cryptography #PQC must be implemented. @SEALSQcorp addresses this need by embedding quantum-resistant algorithms like CRYSTALS-Kyber into secure chips that can protect wallets, miners, and exchanges. These chips enable digital signatures that cannot be broken by quantum attacks.
Complementing this, @WISeKey #QuantumRoot of Trust provides the necessary infrastructure to ensure that post-quantum identities and transactions can be authenticated and trusted across the network. It anchors cryptographic trust in hardware and integrates with SEALSQ’s PQC chips, offering a seamless migration path from legacy systems to quantum-safe blockchain infrastructure.
Together, SEALSQ and WISeKey provide a viable defense against a quantum attack on Bitcoin—by combining quantum-resistant cryptographic algorithms with a trusted and secure root infrastructure that can be deployed now, before the quantum window of vulnerability becomes exploitable.$LAES $WKEY
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