#Ethereum co-founder Vitalik Buterin warns that quantum computing could present a significant risk to blockchain security, emphasizing that this isn’t merely a futuristic concern. He estimates a 20% chance that quantum computers capable of breaking modern cryptography will emerge by 2030, supported by forecasts from platforms like Metaculus. The crux of this danger lies in elliptic-curve cryptography (ECC), the foundation of Ethereum ( $ETH ) and many other blockchains. #Quantum computers cou...