| Date | User | Challenge | Score |
| shadow_dune | Scalar Multiplication | 35 | |
| shadow_dune | Point Addition | 30 | |
| shadow_dune | Point Negation | 10 | |
| duxy | Modular Square Root | 35 | |
| ka4ma777 | Greatest Common Divisor | 15 | |
| grizzzer | Megalomaniac 2 | 120 | |
| juntae | Deriving Symmetric Keys | 40 | |
| goosbo | Elliptic Nodes | 150 | |
| bhakku | ECB CBC WTF | 55 | |
| Manas1 | Finding Flags | 2 | |
| juntae | Computing Shared Secrets | 30 | |
| grizzzer | Megalomaniac 3 | 120 | |
| Dessert | Script Kiddie | 70 | |
| qwra | Salty | 20 | |
| Modes of Operation Starter | 15 | ||
| Resisting Bruteforce | 10 | ||
| Keyed Permutations | 5 | ||
| juntae | Computing Public Values | 25 | |
| Network Attacks | 5 | ||
| GentleCat | ASCII | 5 | |
| evarist | Ron was Wrong, Whit is Right | 90 | |
| vcvttsd2si | Modular Inverting | 25 | |
| TheOnlyDee_s11 | XOR Properties | 15 | |
| df_ghk | Bean Counter | 60 | |
| df_ghk | Symmetry | 50 | |
| df_ghk | Flipping Cookie | 60 | |
| df_ghk | ECB CBC WTF | 55 | |
| grizzzer | Megalomaniac 1 | 100 | |
| nnnhasan20 | Monoprime | 30 | |
| nnnhasan20 | Factoring | 15 | |
| nnnhasan20 | RSA Signatures | 25 | |
| vcvttsd2si | Modular Arithmetic 2 | 20 | |
| df_ghk | ECB Oracle | 60 | |
| df_ghk | Passwords as Keys | 50 | |
| df_ghk | Modes of Operation Starter | 15 | |
| df_ghk | Bringing It All Together | 50 | |
| df_ghk | Diffusion through Permutation | 30 | |
| df_ghk | Confusion through Substitution | 25 | |
| df_ghk | Round Keys | 20 | |
| df_ghk | Structure of AES | 15 | |
| df_ghk | Resisting Bruteforce | 10 | |
| df_ghk | Keyed Permutations | 5 | |
| Musca | Structure of AES | 15 | |
| evarist | Fast Primes | 75 | |
| is23lame | You either know, XOR you don't | 30 | |
| Musca | Resisting Bruteforce | 10 | |
| TendouKei | Finding Flags | 2 | |
| Musca | Keyed Permutations | 5 | |
| Musca | Script Kiddie | 70 | |
| xianggenglihai | Modular Inverting | 25 |
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