| Date | User | Challenge | Score |
| viv_games_4542 | Network Attacks | 5 | |
| Kanad3 | LWE Intro | 10 | |
| Marchet_91 | Passwords as Keys | 50 | |
| kurumi_11 | Private Keys | 20 | |
| viv_games_4542 | Great Snakes | 3 | |
| RlyehSeeker | Modular Arithmetic 2 | 20 | |
| kurumi_11 | RSA Decryption | 20 | |
| tranchsanto | Pairing-Based Cryptography | 50 | |
| SuikaPredator | ECB CBC WTF | 55 | |
| viv_games_4542 | Finding Flags | 2 | |
| sdbillah | Greatest Common Divisor | 15 | |
| RlyehSeeker | Modular Arithmetic 1 | 20 | |
| 3bood_315 | Base64 | 10 | |
| cpicozzi | Beatboxer | 150 | |
| RlyehSeeker | Extended GCD | 20 | |
| Marchet_91 | Modes of Operation Starter | 15 | |
| linaaaaaaaaaaaaa | Finding Flags | 2 | |
| linaaaaaaaaaaaaa | Network Attacks | 5 | |
| hack_use_math | Backpack Cryptography | 120 | |
| Marchet_91 | Bringing It All Together | 50 | |
| dhnm | Base64 | 10 | |
| Maryamishaq_1 | Base64 | 10 | |
| kurumi_11 | Euler's Totient | 20 | |
| dhnm | Hex | 5 | |
| RlyehSeeker | Greatest Common Divisor | 15 | |
| KoreaMrKing | Smooth Criminal | 60 | |
| borjannn | You either know, XOR you don't | 30 | |
| awesiyn | Resisting Bruteforce | 10 | |
| junkfile | ZKP Introduction | 5 | |
| dhnm | ASCII | 5 | |
| Kanad3 | LWE Background | 5 | |
| borjannn | Favourite byte | 20 | |
| dhnm | Great Snakes | 3 | |
| awesiyn | Keyed Permutations | 5 | |
| Babit | SIDH Key Exchange | 80 | |
| FIDB0 | XOR Starter | 10 | |
| cpicozzi | Forbidden Fruit | 150 | |
| KoreaMrKing | Efficient Exchange | 50 | |
| junkfile | Token Appreciation | 5 | |
| pc417 | Script Kiddie | 70 | |
| sdbillah | You either know, XOR you don't | 30 | |
| dhnm | Finding Flags | 2 | |
| SuikaPredator | Passwords as Keys | 50 | |
| hoang1653 | Decrypting TLS 1.3 | 35 | |
| Babit | Composite Isogenies | 60 | |
| PyMite6941 | Base64 | 10 | |
| ahmadnaghibi | Diffusion through Permutation | 30 | |
| 24BECSE19_DT | No Way Back Home | 100 | |
| IMPOSTER123 | Point Negation | 10 | |
| PyMite6941 | Hex | 5 |
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