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Use "unusable", thanks @TCOA

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William Entriken 2018-01-24 11:27:19 -05:00
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EIPS/eip-721.md
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@ -262,7 +262,7 @@ It may be interesting to consider a use case where deeds are not enumerable or d
**Metadata**
We have chosen to make `name` and `symbol` both optional. These are interesting properties but are of limited utility. We remind wallet application authors that `name` and `symbol` cannot be trusted, a contract can easily return a value which overlaps with an existing well-known contract — or they may return an empty string / unable value.
We have chosen to make `name` and `symbol` both optional. These are interesting properties but are of limited utility. We remind wallet application authors that `name` and `symbol` cannot be trusted, a contract can easily return a value which overlaps with an existing well-known contract — or they may return an empty string / unusable value.
A mechanism is provided to associate deeds with URIs. We expect that many implementations will take advantage of this to provide metadata for each deed. The image size recommendation is taken from Instagram, they probably know much about image usability. The URI MAY be mutable (i.e. it changes from time to time). We considered a deed representing ownership of a real-world asset, in this case metadata about such an asset may naturally change.