| Date | User | Challenge | Score |
| w1ndx | Great Snakes | 3 | |
| RicksterRichard | Modular Arithmetic 1 | 20 | |
| Zosia | CERTainly not | 30 | |
| w1ndx | Finding Flags | 2 | |
| Narwhal | Hex | 5 | |
| ApexRatio | Export-grade | 100 | |
| sad0705 | Finding Flags | 2 | |
| Guepero17 | Finding Flags | 2 | |
| Zosia | Privacy-Enhanced Mail? | 25 | |
| Desdous | ASCII | 5 | |
| hafi_haks | Great Snakes | 3 | |
| hafi_haks | Finding Flags | 2 | |
| Damsssss | No Leaks | 100 | |
| dach47 | RSA Decryption | 20 | |
| paxel | Resisting Bruteforce | 10 | |
| obscura | XOR Properties | 15 | |
| Desdous | Great Snakes | 3 | |
| RicksterRichard | Extended GCD | 20 | |
| Huluobo | Finding Flags | 2 | |
| Slashcry | You either know, XOR you don't | 30 | |
| Fadrix | Modular Inverting | 25 | |
| nikku | Modular Binomials | 80 | |
| Raulp1 | RSA Decryption | 20 | |
| Gabsadio | Bounded Noise | 50 | |
| Desdous | Finding Flags | 2 | |
| ILnaRA | Modular Binomials | 80 | |
| Narwhal | ASCII | 5 | |
| andgnatyuk | Modular Inverting | 25 | |
| uglybarnacle | Legendre Symbol | 35 | |
| maquuu1809 | Modular Inverting | 25 | |
| Zosia | Modular Inverting | 25 | |
| rakshak07 | Greatest Common Divisor | 15 | |
| paxel | Keyed Permutations | 5 | |
| solidus | Megalomaniac 1 | 100 | |
| Fadrix | Modular Arithmetic 2 | 20 | |
| Vahlik | You either know, XOR you don't | 30 | |
| ApexRatio | Parameter Injection | 60 | |
| Zosia | Modular Arithmetic 2 | 20 | |
| Narwhal | Great Snakes | 3 | |
| array | Lemur XOR | 40 | |
| Holfelder | Successive Powers | 60 | |
| Raulp1 | Private Keys | 20 | |
| ILnaRA | Adrien's Signs | 80 | |
| Fadrix | Modular Arithmetic 1 | 20 | |
| Holfelder | Point Negation | 10 | |
| AlxGonin | Point Negation | 10 | |
| Raulp1 | Public Keys | 15 | |
| ILnaRA | Chinese Remainder Theorem | 40 | |
| Fadrix | Extended GCD | 20 | |
| ILnaRA | Modular Square Root | 35 |
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