The increase in YFI prices occurred because the DeFi system is currently being used and YFI is one of the criteria that can enter the DeFi system so that there was a quite fantastic price increase over the current bitcoin price, but this cannot be a reference to say if bitcoin has been lost at this time because this is common in cryptocurrencies where Sensation/ Hype can easily lift crypto prices and usually, it doesn't last long and I'm sure the YFI price will return to normal.