这叫“变工”，讲究人多力量大，也是一种在乡村社会里衍生出的互助生存模式。秋收后碾麦子和胡麻，逢年过节杀羊杀猪，还有红白喜事彼此帮忙办席。这样一来，不仅效率高，还有热火朝天的热闹气氛。
The value of an NFT comes from its ability to be traded freely and securely on the blockchain, which is not possible with other current digital ownership solutionsThe NFT points to its location on the blockchain, but doesn’t necessarily contain the digital property. For example, if you replace one bitcoin with another, you will still have the same thing. If you buy a non-fungible item, such as a movie ticket, it is impossible to replace it with any other movie ticket because each ticket is unique to a specific time and place.
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Example: deleting a passkey in Bitwarden