| Date | User | Challenge | Score |
| suky | XOR Properties | 15 | |
| phrase | Bytes and Big Integers | 10 | |
| tanxiaoyan | Round Keys | 20 | |
| abel_mc | You either know, XOR you don't | 30 | |
| tanxiaoyan | Keyed Permutations | 5 | |
| b00n | Keyed Permutations | 5 | |
| tanxiaoyan | Resisting Bruteforce | 10 | |
| tanxiaoyan | Structure of AES | 15 | |
| dudeisme | Base64 | 10 | |
| kkaroly | Keyed Permutations | 5 | |
| DonCharbel | ProSign 3 | 100 | |
| b00n | You either know, XOR you don't | 30 | |
| suky | XOR Starter | 10 | |
| dudeisme | Hex | 5 | |
| dudeisme | ASCII | 5 | |
| dudeisme | Great Snakes | 3 | |
| SISroot | Pairing-Based Cryptography | 50 | |
| kkaroly | Transparency | 50 | |
| dudeisme | Finding Flags | 2 | |
| sixsquareAI | Unimplemented (TETCTF) | 0 | |
| suky | Bytes and Big Integers | 10 | |
| m4sc4r4 | ASCII | 5 | |
| RotaJakiro | Inferius Prime | 30 | |
| phrase | Base64 | 10 | |
| Ai_cy42 | Moving Problems | 150 | |
| SAATVIK | Ron was Wrong, Whit is Right | 90 | |
| kkaroly | SSH Keys | 35 | |
| ArdorBlossom | Background Reading | 5 | |
| suky | Base64 | 10 | |
| HANABI17 | Export-grade | 100 | |
| kkaroly | CERTainly not | 30 | |
| phrase | Hex | 5 | |
| sixsquareAI | Unevaluated (TETCTF) | 0 | |
| DarkDragon_sec | Quadratic Residues | 25 | |
| meyadawaganmata | Efficient Exchange | 50 | |
| kkaroly | Privacy-Enhanced Mail? | 25 | |
| suky | Hex | 5 | |
| confetti244 | Greatest Common Divisor | 15 | |
| suky | ASCII | 5 | |
| Y00ki_U6 | Hex | 5 | |
| bluediamonds | Legendre Symbol | 35 | |
| DonCharbel | Export-grade | 100 | |
| wiz1106 | Static Client 2 | 120 | |
| SAATVIK | Fast Primes | 75 | |
| MayfraylTumbali | Curves and Logs | 40 | |
| Y00ki_U6 | ASCII | 5 | |
| suky | Great Snakes | 3 | |
| b00n | Encoding Challenge | 40 | |
| suky | Finding Flags | 2 | |
| KK1994 | You either know, XOR you don't | 30 |
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