Show HN: The Billboard, a fully decentralised billboard stored in Ethereumthebillboard.vercel.app43 points·by dbuidl·5 ปีที่แล้ว·41 comments
dbuidl·5 ปีที่แล้ว·discussThe billboard lives in the blockchain, it also generates its metadata in it.For example, this is the current metadata being generated right now when someone calls the "tokenURI(1)" method:data:application/json;base64,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
dbuidl·5 ปีที่แล้ว·discussHey Jim! I answered you on Twitter https://twitter.com/dbuidl/status/1444281093000159233?s=21There might be a bug in the form, but you can see the current one being displayed has also 3 lines and a pretty long ones.
For example, this is the current metadata being generated right now when someone calls the "tokenURI(1)" method:
data:application/json;base64,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