| Date | User | Challenge | Score |
| stellev | Everything is Big | 70 | |
| zabieru | Parameter Injection | 60 | |
| zabieru | Deriving Symmetric Keys | 40 | |
| useless | LWE Background | 5 | |
| 26521111001 | Endless Emails | 150 | |
| Y4M4L | Bytes and Big Integers | 10 | |
| PookieCookie | Base64 | 10 | |
| omar_abd99 | Finding Flags | 2 | |
| gratitude5000 | ZKP Introduction | 5 | |
| zabieru | Computing Shared Secrets | 30 | |
| Pedropg | Finding Flags | 2 | |
| zabieru | Computing Public Values | 25 | |
| zabieru | Generators of Groups | 20 | |
| Slythiel | XOR Properties | 15 | |
| 42u54 | Adrien's Signs | 80 | |
| zabieru | Working with Fields | 10 | |
| Sharky | Finding Flags | 2 | |
| Beethoven3 | Endless Emails | 150 | |
| zabieru | Modulus Inutilis | 50 | |
| stellev | Modulus Inutilis | 50 | |
| zabieru | Salty | 20 | |
| zabieru | Manyprime | 40 | |
| ssdis | Hex | 5 | |
| TirthBD | Endless Emails | 150 | |
| stellev | Salty | 20 | |
| ssdis | ASCII | 5 | |
| zabieru | Monoprime | 30 | |
| stellev | RSA Signatures | 25 | |
| luisfelicio | You either know, XOR you don't | 30 | |
| ssdis | Great Snakes | 3 | |
| soul00009999 | Hex | 5 | |
| soul00009999 | ASCII | 5 | |
| rjk976 | XOR Starter | 10 | |
| Raoof_alshawye03 | Great Snakes | 3 | |
| luisfelicio | Favourite byte | 20 | |
| rjk976 | Bytes and Big Integers | 10 | |
| IbnuSaiber1 | Base64 | 10 | |
| Raoof_alshawye03 | Finding Flags | 2 | |
| rjk976 | Base64 | 10 | |
| zabieru | Factoring | 15 | |
| soul00009999 | Great Snakes | 3 | |
| rjk976 | Hex | 5 | |
| luisfelicio | XOR Properties | 15 | |
| rjk976 | ASCII | 5 | |
| martinabaccichet | Token Appreciation | 5 | |
| zabieru | RSA Signatures | 25 | |
| rjk976 | Great Snakes | 3 | |
| martinabaccichet | ASCII | 5 | |
| rjk976 | Finding Flags | 2 | |
| soul00009999 | Finding Flags | 2 |
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