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Whitepaper - Factom With Cover

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The call to commit a new Chain requires a payment of 10 Entry Credits + 1 Credit per 1,024<br />

bytes. The higher price is to reduce creation of new Chains, which is an externalized cost. The<br />

submission to start a Chain includes three parameters:<br />

●<br />

●<br />

●<br />

The hash of the ChainID<br />

The hash of (the ChainID + the Entry Hash)<br />

The Entry Hash<br />

These three hashes are placed in the Entry Credit Chain.<br />

Once the Chain commit has been accepted, the reveal can occur, and the ChainID is now<br />

public. For the Chain creation reveal to be valid, the reveal must supply the Chain Name that<br />

hashes to produce the ChainID. The Entry must hash to produce the Entry Hash. Lastly, the<br />

concatenation of the ChainID with the Entry Hash must match the result in the commit.<br />

If any of these conditions are not met, <strong>Factom</strong> servers do not record the first Entry and the<br />

Chain is not created.<br />

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