Silicon Valley angel investor Liron Shapira said on X that he is 50% confident Bitcoin will fall more than 50% within the next two years because AI could undermine the security and stability guarantees people once associated with BTC. According to Odaily, Ethereum co-founder Vitalik Buterin said he holds the opposite view, arguing that network security looks strong over the long term and that the main challenge is navigating the transition period smoothly.