Truthful PVP on/off-chain with ECDSA. Goal: To realize verifiable pvp… | by ScruffyStudios | Coinmonks loanread cryptocurrency information

Aim: To realize verifiable pvp outcomes on chain utilizing ECDSA

At first I had no concept find out how to obtain this, however after a few weeks it hit me. Use ECDSA signatures earlier than and after the match to make sure all individuals are registered and submit these signatures to the chain through a centralized pockets. Web2 safety here’s a should. You shouldn’t attempt to implement a manufacturing model of this with out spending important time on web2 safety since we use a centralized pockets.


hashedMessage = keccak256(
bool begin,
string distinctive ID

I forgot so as to add the distinctive ID. You’ll want to retailer the ID in a mapping as it’s used after every perform name. mapping(string => bool) must be high-quality.


For these of you who are usually not conscious of ECDSA (Elliptical Curve Digital Signature Algorithm), right here is an implementation of it. _hashedMessage is prefixed after which we recuperate the signer utilizing the ecrecover perform and submit the hashed message in addition to the three components of the signature _v, _r, _s.

Are you able to see a use case for this in your challenge?

When you discovered this fascinating, why not test it out!

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