Submission Details
Severity:
Use oracle to generate random numbers
Summary
block.timestamp and block.prevrandao can be easily precalculated, so the are not good for PRNG generation
Vulnerability Details
Impact
Anyone can check the result before fighting. They only need to deploy a contract with the same code, and only combat when they are sure that they will win.
Tools Used
Manual review
Recommendations
Use oracles like chainlink to provide PRNG numbers
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.
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