| Date | User | Challenge | Score |
| chk | Base64 | 10 | |
| Ruixiliu | Computing Shared Secrets | 30 | |
| Ruixiliu | Computing Public Values | 25 | |
| chk | Hex | 5 | |
| Ruixiliu | Generators of Groups | 20 | |
| Ruixiliu | Working with Fields | 10 | |
| chk | ASCII | 5 | |
| BlissfulCoder | Hex | 5 | |
| Kaguai | Private Keys | 20 | |
| Kaguai | Euler's Totient | 20 | |
| Jovice | Bytes and Big Integers | 10 | |
| Kaguai | Public Keys | 15 | |
| 048224 | Chinese Remainder Theorem | 40 | |
| grazkaa | Vectors | 10 | |
| Kaguai | Modular Exponentiation | 10 | |
| AnikaAlshi | Base64 | 10 | |
| titoBR | Encoding Challenge | 40 | |
| AnikaAlshi | Hex | 5 | |
| AnikaAlshi | ASCII | 5 | |
| Dimbls | LWE Low Bits Message | 20 | |
| AnikaAlshi | Great Snakes | 3 | |
| henril | Deriving Symmetric Keys | 40 | |
| joao_nogueira | Manyprime | 40 | |
| AnikaAlshi | Finding Flags | 2 | |
| taer | Great Snakes | 3 | |
| taer | Finding Flags | 2 | |
| henril | Computing Shared Secrets | 30 | |
| Dimbls | LWE High Bits Message | 15 | |
| nirvanaK456 | Scalar Multiplication | 35 | |
| joao_nogueira | Monoprime | 30 | |
| henril | Computing Public Values | 25 | |
| henril | Generators of Groups | 20 | |
| xVollz | Base64 | 10 | |
| yr81 | Moving Problems | 150 | |
| joao_nogueira | Factoring | 15 | |
| nirvanaK456 | Point Addition | 30 | |
| xVollz | Hex | 5 | |
| Ck3y | Modular Arithmetic 1 | 20 | |
| ahmedfayez | Base64 | 10 | |
| xVollz | ASCII | 5 | |
| Genshirog | Bytes and Big Integers | 10 | |
| Genshirog | Base64 | 10 | |
| xVollz | Great Snakes | 3 | |
| xVollz | Finding Flags | 2 | |
| Genshirog | Hex | 5 | |
| Genshirog | ASCII | 5 | |
| Genshirog | Great Snakes | 3 | |
| Asil | Legendre Symbol | 35 | |
| Genshirog | Finding Flags | 2 | |
| MiraliN | XOR Properties | 15 |
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