Recent advancements in quantum computing have raised concerns about the vulnerability of cryptocurrencies like Bitcoin and Ether, which rely on elliptic curve cryptography (ECC) for security. ECC is currently secure against classical computers but is reportedly vulnerable to the computational power of quantum machines. To address this threat, developers are working on quantum-resistant crypto tokens that incorporate post-quantum cryptographic algorithms. These tokens, such as Quantum Resistant Ledger (QRL) and IOTA, use techniques like hash-based signatures and code-based cryptography to enhance security. While quantum computers capable of breaking current encryption methods may not be realized for another decade, the progress of quantum technology suggests it could happen sooner. To combat quantum threats, blockchain developers are adopting advanced cryptographic techniques, and organizations like NIST are standardizing post-quantum cryptographic methods.



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