Ethereum (CRYPTO: ETH) co-founder Vitalik Buterin expressed optimism on Sunday about the future of cryptocurrency security, contradicting predictions of a Bitcoin (CRYPTO: BTC) crash due to AI threats. Buterin Bets on Bitcoin's Stability Buterin responded to an X post by Silicon Valley entrepreneur Liron Shapira, pushing back against a prediction that AI could undermine Bitcoin's security and trigger a more than 50% price crash within two years.