Aug 23, 2022 · 11:59 PM UTC
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(plus an attempt to visualize elo history seen above! its slightly wrong but meh good enough) hackmd.io/@onemanbandplus2/S… we walkthrough our core strategy as well as the exploit we found that could have let us win every game the core of our strategy was 2 fold:
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1. price gouging when we can basically, if we were in the lead we would try to buy all the supply of each item so that the other players couldn’t shell or accelerate 2. sensible floors:
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we would never let acceleration or shells get too cheap, additionally, we determined this cheapness floor based on the price of the inverse action i.e. if shells were expensive, we should discount acceleration because we get relative value by forcing an opponent to spend more
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to shell us. This means we could speed up even more when it was opportune. In addition to core strategy we go over the exploit that lets you win in a single turn!
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I will save that for you to read in the writeup, but the gist is a reentrancy attack but expanding it further, we found how you could trick the system to only ever play winning games in which you go first, and subsequently lock in your elo forever after that
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and finally thank you to @plotchy and @0xalpharush who absolutely ate CTF challenges for breakfast and crushed it shoot those legends a follow
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