I think there are still many people who don't quite understand the concept of blockchain. Today, I saw a story and would like to share it with everyone. There is a community where foreign vehicles always enter the parking lot and occupy the parking spaces of residents, causing unbearable suffering for the residents. Later, they came up with a way to add locks at both ends of the gate, and each household was assigned a lock. The locks were interlocked with each other, and whoever needed to use...