| Date | User | Challenge | Score |
| Hexerei | Manyprime | 40 | |
| user154354 | XOR Properties | 15 | |
| yasminka | Modular Arithmetic 1 | 20 | |
| cyberri | Dancing Queen | 120 | |
| kryx | Great Snakes | 3 | |
| kryx | Finding Flags | 2 | |
| UMAyuma | Generators of Groups | 20 | |
| Joseabd507 | Export-grade | 100 | |
| Joseabd507 | Parameter Injection | 60 | |
| Grupo1MAplicada | JWT Sessions | 10 | |
| Agilprasetyo | Montgomery's Ladder | 40 | |
| Agilprasetyo | Efficient Exchange | 50 | |
| Grupo1MAplicada | Token Appreciation | 5 | |
| Agilprasetyo | Curves and Logs | 40 | |
| grizzzer | Collider | 50 | |
| grizzzer | Jack's Birthday Confusion | 30 | |
| Agilprasetyo | Scalar Multiplication | 35 | |
| Agilprasetyo | Point Addition | 30 | |
| grizzzer | Jack's Birthday Hash | 20 | |
| Agilprasetyo | Point Negation | 10 | |
| Agilprasetyo | Background Reading | 5 | |
| atha123 | You either know, XOR you don't | 30 | |
| Grupo1MAplicada | Modulus Inutilis | 50 | |
| Grupo1MAplicada | Salty | 20 | |
| Cryptroyer | Finding Flags | 2 | |
| Grupo1MAplicada | Manyprime | 40 | |
| moizkhan1408 | Extended GCD | 20 | |
| atha123 | Favourite byte | 20 | |
| Grupo1MAplicada | Square Eyes | 35 | |
| moizkhan1408 | Greatest Common Divisor | 15 | |
| UMAyuma | Working with Fields | 10 | |
| Finiel | Keyed Permutations | 5 | |
| UMAyuma | Modulus Inutilis | 50 | |
| TiaraCitraL | Bean Counter | 60 | |
| Grupo1MAplicada | Monoprime | 30 | |
| TiaraCitraL | Symmetry | 50 | |
| grizzzer | Moving Problems | 150 | |
| TiaraCitraL | Passwords as Keys | 50 | |
| Hexerei | Monoprime | 30 | |
| Grupo1MAplicada | Inferius Prime | 30 | |
| danieldegracia81 | Passwords as Keys | 50 | |
| danieldegracia81 | Modes of Operation Starter | 15 | |
| Grupo1MAplicada | Factoring | 15 | |
| danieldegracia81 | Bringing It All Together | 50 | |
| joao | ASCII | 5 | |
| Grupo1MAplicada | RSA Signatures | 25 | |
| Grupo1MAplicada | RSA Decryption | 20 | |
| Grupo1MAplicada | Private Keys | 20 | |
| UMAyuma | Salty | 20 | |
| Hexerei | Factoring | 15 |
You are now level Current level