Submission Details
Severity:
Ramdomness based on `blocktime.stamp`
Summary
In the RapBattle contract two users battle each other and the winner is decided by the help of blocktime.stamp.
Vulnerability Details
The outcome of the randomness depend on block.timestamp , block.prevrandao and msg.sender address. All of them can either be known or can be altered.
Impact
The result of the battle depends on this randomness and if it's altered the result will be altered as well.
Tools Used
manual review
Recommendations
It's recommended to use an off-chain random number generator.
Rewards breakdown
nSLOC
201This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
Live
The contest is live. Earn rewards by submitting a finding.
Appeals
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Appeals Review
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