Blamed on the hurricane. Dayal news 24 hours a powered by more than 2700 journalists and analysts. Im Alisa Parenti. This is bloomberg. Day powered by more than 2700 Bloomberg Technology is next. Im emily chang and this is Bloomberg Technology. Coming up, bitcoin hits another gear on a bigger stage. Why sundays debut could play a defining role in the cryptocurrencies march to the mainstream. Plus, the blackout at americas busiest airport. How tech can help keep the power running when the lights go out. Stepping up security. With just a week to go for lastminute shoppers, an ebays executives tips on shopping online. The worlds Biggest Exchange just joined the bitcoin revolution. Futures started trading on the ame after there were similar derivatives on the volatile cryptocurrency. Cme is a much bigger player. The exchange got up to a faster start with more efficient pricing. Its most active contract change d hands 270 times. It is a huge win because cme contracts are five times more val