Quantum computing could threaten blockchain cryptographic algorithms, impacting coins like Bitcoin (BTC), $ETH

Ethereum (ETH), and Cardano (ADA). Current blockchains rely on algorithms like SHA-256 (BTC) and ECDSA (ETH, ADA), vulnerable to quantum attacks like Shor’s algorithm, which could break public-key cryptography. This risks private key exposure, enabling transaction forgery. Quantum computers, though not yet advanced enough, could disrupt security in the future. BTC’s PoW might resist longer due to computational intensity, but PoS chains like $ADA

ADA face higher risks if quantum decryption scales. ETH’s roadmap includes quantum-resistant upgrades. Mitigation involves adopting post-quantum cryptography, like lattice-based algorithms. Blockchains must evolve to counter this looming threat while maintaining efficiency.$BTC

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