Crypto markets brace as 18,300 Bitcoin options expire today, with a $1B notional value on Deribit. BTC dips to $53.4k amidst Mt. Gox, US, and German gov't moves. Market cap down 13% in 48 hours, with $700M liquidated. On-chain analyst warns real panic may be yet to come, as put bets surge and volatility spikes (5 Jul 2024)