| Date | User | Challenge | Score |
| kaizero | Modular Arithmetic 1 | 20 | |
| rajhacker0101 | Bytes and Big Integers | 10 | |
| Etion | Modular Inverting | 25 | |
| Etion | Modular Arithmetic 2 | 20 | |
| goatdien | Extended GCD | 20 | |
| Etion | Modular Arithmetic 1 | 20 | |
| hanahiennguyen | Privacy-Enhanced Mail? | 25 | |
| Etion | Extended GCD | 20 | |
| breddtest | Extended GCD | 20 | |
| goatdien | Greatest Common Divisor | 15 | |
| goatdien | You either know, XOR you don't | 30 | |
| Etion | Greatest Common Divisor | 15 | |
| goatdien | Favourite byte | 20 | |
| breddtest | Greatest Common Divisor | 15 | |
| vedx | Great Snakes | 3 | |
| vedx | Finding Flags | 2 | |
| Nonthing990 | Finding Flags | 2 | |
| KMA_SiriuS_ | Point Addition | 30 | |
| dirtyDeedz | Deriving Symmetric Keys | 40 | |
| dirtyDeedz | Computing Shared Secrets | 30 | |
| Riccch860d | Great Snakes | 3 | |
| dirtyDeedz | Computing Public Values | 25 | |
| CastorJr | Chinese Remainder Theorem | 40 | |
| bokthefish | Private Keys | 20 | |
| seestradav | Modular Arithmetic 1 | 20 | |
| chelinh | Diffusion through Permutation | 30 | |
| CastorJr | Modular Square Root | 35 | |
| seestradav | Extended GCD | 20 | |
| seestradav | Greatest Common Divisor | 15 | |
| tabboPNW | XOR Starter | 10 | |
| ZiggyNorton | Extended GCD | 20 | |
| Riccch860d | Finding Flags | 2 | |
| dirtyDeedz | Collider | 50 | |
| crisscarafia | Hex | 5 | |
| Learn_From_Nyamu | ECB CBC WTF | 55 | |
| crisscarafia | ASCII | 5 | |
| crisscarafia | Great Snakes | 3 | |
| dirtyDeedz | Signing Server | 60 | |
| miaomiao666 | Everything is Still Big | 100 | |
| crisscarafia | Finding Flags | 2 | |
| KMA_SiriuS_ | Point Negation | 10 | |
| CastorJr | Legendre Symbol | 35 | |
| lomilomi | Base64 | 10 | |
| pin3apple07 | Composite Isogenies | 60 | |
| bokthefish | Euler's Totient | 20 | |
| bokthefish | Public Keys | 15 | |
| CastorJr | Quadratic Residues | 25 | |
| dirtyDeedz | Null or Never | 100 | |
| CastorJr | Modular Inverting | 25 | |
| bokthefish | Modular Exponentiation | 10 |
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