The Convergent Billboard
The Convergent Billboard is a bonding curve linked to an advertisement.
protip: For a primer on the Convergent Billboard read the article
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The Convergent Billboard is a smart contract that allows the buying and selling of the Convergent Billboard Token (CBT) on a determined price path that will always guarentee liqudity.
One CBT can be used to change the image that is displayed under the area of the curve which is unlocked by the number of tokens bought. When you spend CBT to change the billboard, you upload your image to IPFS and submit the hash to the contract. There is no time lock for your image and someone can change it to something different at any time.
You are not required to spend your CBT right away. Instead you can open the speculation market and buy the tokens and simply hold them. If the billboard becomes more popular, and more tokens are minted into existence, you will be able to sell your tokens later at a higher price.
If you simply want to change the billboard without having to worry about the tokens, simply click "Buy with Eth" button on the front-end and confirm with Metamask.
Technical Details
The Convergent Billboard is made entirely on the decentralized tech stack, including IPFS and Ethereum.
Testing
Running locally
$ yarn start
Open Metamask on the mainnet.

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