ChainCatcher message, Nashville Bitcoin 2024 will release a security update, mainly including:It is strongly recommended not to carry luggage, as it will increase your delay time entering the secure area of the building;The conference room can accommodate up to 8,000 seats, and it cannot be guaranteed that everyone will have a seat;Prohibited items include: outside food and beverages, alcoholic drinks, e-cigarettes and vape pens, any kind of explosives, firearms, weapons, etc.