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https://github.com/ingonyama-zk/zkctf-2023-writeups

Write-ups submitted by CTF participants
https://github.com/ingonyama-zk/zkctf-2023-writeups

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Write-ups submitted by CTF participants

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# ZK CTF - May '23

![lion-hero-square (1)](https://github.com/ingonyama-zk/zkctf-2023-writeups/assets/122266060/b6b3a95a-8046-42f5-a414-d72f9bacd613)

## Event
For the full event details and summary click [here](https://medium.com/@ingonyama/recap-zk-capture-the-flag-cdf3ffef8186)

Below you will find write-ups submitted by some of the participants

## Challenge Write-ups

1. [The Day of Sagittarius IV](the_day_of_sagittarius_iv.md)
2. [It is over 9000!](it_is_over_9000!.md)
3. [Safe bn254](safe_bn254.md)
4. [Zokclub](zokclub.md)
5. [Zokclub - as it should've been](zokclub_-_as_it_should've_been.md)
6. [A Tale of two keys](a_tale_of_two_keys.md)
7. [Loki's Vault](loki's_vault.md)
8. [Operation ZK Rescue](operation_zk_rescue.md)
9. [ZK Rescue Part 2](zk_rescue_part_2.md)
10. [Lost Funds](lost_funds.md)
11. [The Lost Relic](the_lost_relic.md)
12. [The Power of iNTEgers](the_power_of_integers.md)
13. [Umculo](umculo.md)


## Contributions

Some challenges are still missing a proper write-up and for some there is more than one solution. Feel Free to add your write up to the list!


## Winners
**1st place:** [ChainLight](https://twitter.com/chainlight_io)

**2nd place:** rbtree fan club

**3rd place:** LDGR

**4th place:** baby step forward, giant step backward

**5th place:** King of the Jungle

**Write-up winners:**

* Ayush from King of the Jungle - Full write-up [here](https://hackmd.io/@shuklaayush/SkWizdyBh)
* Vladimir from [zkbob](https://twitter.com/zkBob_) - Full write-ups here: [Loki's Vault](https://hackmd.io/@mNhjpIg3TJ2CXuL_n4g55g/B1DwUA1r2) & [It is over 9000!](https://hackmd.io/XB0gc_8eTNOxq8d-CSU52Q?utm_source=preview-mode&utm_medium=rec)