| Date | User | Challenge | Score |
| ConorKTUD | No Leaks | 100 | |
| NoelthePoodle | Finding Flags | 2 | |
| d471d | SSH Keys | 35 | |
| Knic | Modes of Operation Starter | 15 | |
| NoelthePoodle | Great Snakes | 3 | |
| Knic | Bringing It All Together | 50 | |
| 01169322 | Passwords as Keys | 50 | |
| Sn00py | Hex | 5 | |
| omelet | Mister Saplins The Prover | 125 | |
| d471d | CERTainly not | 30 | |
| Valendula | RSA Signatures | 25 | |
| jarinios | JSON in JSON | 40 | |
| Valendula | RSA Decryption | 20 | |
| 01169322 | Modes of Operation Starter | 15 | |
| kamilkaminski02 | Point Negation | 10 | |
| Valendula | Private Keys | 20 | |
| Knic | Diffusion through Permutation | 30 | |
| MzzzzQ | Finding Flags | 2 | |
| Valendula | Euler's Totient | 20 | |
| ConorKTUD | Gotta Go Fast | 40 | |
| eko_071 | Gram Schmidt | 30 | |
| mdybicz | Passwords as Keys | 50 | |
| sveta_shumovai | Encoding Challenge | 40 | |
| styxs | Encoding Challenge | 40 | |
| 01169322 | Bringing It All Together | 50 | |
| BoaN235 | Public Keys | 15 | |
| omelet | Let's Prove It Again | 175 | |
| BoaN235 | Modular Exponentiation | 10 | |
| ConorKTUD | Introduction to Isogenies | 10 | |
| kamilkaminski02 | Background Reading | 5 | |
| DQH | Cofactor Cofantasy | 150 | |
| 01169322 | Diffusion through Permutation | 30 | |
| ConorKTUD | LWE Intro | 10 | |
| BoaN235 | Base64 | 10 | |
| Knic | Confusion through Substitution | 25 | |
| BoaN235 | Hex | 5 | |
| protein6r | ZKP Introduction | 5 | |
| BoaN235 | ASCII | 5 | |
| BoaN235 | Great Snakes | 3 | |
| ConorKTUD | LWE Background | 5 | |
| BoaN235 | Finding Flags | 2 | |
| faheeeem | Greatest Common Divisor | 15 | |
| trantho1601 | You either know, XOR you don't | 30 | |
| ConorKTUD | Gaussian Reduction | 50 | |
| luisedofon | Keyed Permutations | 5 | |
| johyphene | Greatest Common Divisor | 15 | |
| 01169322 | Confusion through Substitution | 25 | |
| Ap4sh | Bruce Schneier's Password: Part 2 | 250 | |
| faheeeem | Lemur XOR | 40 | |
| anomino283294389 | Finding Flags | 2 |
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