| Date | User | Challenge | Score |
| ctm31 | Bean Counter | 60 | |
| desa_05 | Diffusion through Permutation | 30 | |
| SerpienteConejo | Bytes and Big Integers | 10 | |
| tode | Extended GCD | 20 | |
| Kitmccarthy | Base64 | 10 | |
| emsa | JWT Secrets | 25 | |
| SerpienteConejo | Base64 | 10 | |
| Kitmccarthy | Hex | 5 | |
| lcalvie | Transparency | 50 | |
| PAWOS | Let's Decrypt Again | 175 | |
| YajuSenpai | ZKP Introduction | 5 | |
| fjukh7872 | OR Proof (CryptoHack) | 0 | |
| fjukh7872 | OR Proof | 75 | |
| cou0820 | Finding Flags | 2 | |
| Kitmccarthy | ASCII | 5 | |
| Lamb2202 | Modular Binomials | 80 | |
| Lamb2202 | Adrien's Signs | 80 | |
| lcalvie | SSH Keys | 35 | |
| Kitmccarthy | Great Snakes | 3 | |
| ctm31 | Symmetry | 50 | |
| desa_05 | Confusion through Substitution | 25 | |
| islmcrypt | Base64 | 10 | |
| Kitmccarthy | Finding Flags | 2 | |
| lcalvie | Moving Problems | 150 | |
| GhostDz78 | Hex | 5 | |
| GhostDz78 | ASCII | 5 | |
| emsa | No Way JOSE | 20 | |
| desa_05 | Round Keys | 20 | |
| ctm31 | Lazy CBC | 60 | |
| Lamb2202 | Chinese Remainder Theorem | 40 | |
| toniokan | Hex | 5 | |
| Nenaah | U-turn (Breizh CTF) | 0 | |
| tode | Modular Arithmetic 1 | 20 | |
| red909 | Inferius Prime | 30 | |
| GhostDz78 | Network Attacks | 5 | |
| desa_05 | Structure of AES | 15 | |
| toniokan | ASCII | 5 | |
| Mihafil746 | Signing Server | 60 | |
| ctm31 | Flipping Cookie | 60 | |
| Qu1n7as | XOR Properties | 15 | |
| fjukh7872 | Too Honest | 50 | |
| Qu1n7as | Lemur XOR | 40 | |
| AndyVale | Marin's Secrets | 50 | |
| Qu1n7as | SSH Keys | 35 | |
| Mihafil746 | Null or Never | 100 | |
| desa_05 | Resisting Bruteforce | 10 | |
| islmcrypt | Hex | 5 | |
| fjukh7872 | Non-Interactive | 35 | |
| cy0ct | Extended GCD | 20 | |
| CryptoBro | Bean Counter | 60 |
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