| Date | User | Challenge | Score |
| oleg_magalyas | Bringing It All Together | 50 | |
| Sallyta01 | ASCII | 5 | |
| oleg_magalyas | Diffusion through Permutation | 30 | |
| oleg_magalyas | Confusion through Substitution | 25 | |
| reversed_guy | XOR Starter | 10 | |
| Sallyta01 | Great Snakes | 3 | |
| oleg_magalyas | Round Keys | 20 | |
| oleg_magalyas | Structure of AES | 15 | |
| EmmanuelGoldberg | MDFlag | 125 | |
| oleg_magalyas | Resisting Bruteforce | 10 | |
| oleg_magalyas | Keyed Permutations | 5 | |
| SISroot | ProSign 3 | 100 | |
| cnvlsvszrs | ProSign 3 | 100 | |
| g3k1 | Forbidden Fruit | 150 | |
| Oren7 | Great Snakes | 3 | |
| cnvlsvszrs | Curveball | 100 | |
| fxxmm | Modular Inverting | 25 | |
| sixsquareAI | OR Proof (CryptoHack) | 0 | |
| mahmoud000 | You either know, XOR you don't | 30 | |
| Sallyta01 | Finding Flags | 2 | |
| g3k1 | Beatboxer | 150 | |
| mahmoud000 | Favourite byte | 20 | |
| cnvlsvszrs | Smooth Criminal | 60 | |
| oleg_magalyas | Deriving Symmetric Keys | 40 | |
| SISroot | Curveball | 100 | |
| vivisect0r | Successive Powers | 60 | |
| oleg_magalyas | Computing Shared Secrets | 30 | |
| sixsquareAI | Hyper512 (HITCON CTF) | 0 | |
| oleg_magalyas | Computing Public Values | 25 | |
| CenoxCrypto | Real Eisenstein | 150 | |
| CenoxCrypto | Roll your Own | 125 | |
| DetestoDocker | RSA or HMAC? Part 2 | 100 | |
| alzzz | Bean Counter | 60 | |
| cnvlsvszrs | Montgomery's Ladder | 40 | |
| fxxmm | Modular Arithmetic 2 | 20 | |
| OblivionX | Hex | 5 | |
| saro | Bruce Schneier's Password: Part 2 | 250 | |
| oleg_magalyas | Generators of Groups | 20 | |
| cnvlsvszrs | Efficient Exchange | 50 | |
| cnvlsvszrs | Curves and Logs | 40 | |
| cnvlsvszrs | Scalar Multiplication | 35 | |
| oleg_magalyas | Working with Fields | 10 | |
| cnvlsvszrs | Point Addition | 30 | |
| cnvlsvszrs | Point Negation | 10 | |
| cnvlsvszrs | Background Reading | 5 | |
| oleg_magalyas | Modulus Inutilis | 50 | |
| g3k1 | WOTS Up 2 | 90 | |
| cnvlsvszrs | Export-grade | 100 | |
| cnvlsvszrs | Parameter Injection | 60 | |
| fxxmm | Modular Arithmetic 1 | 20 |
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