| Date | User | Challenge | Score |
| Anass67 | XOR Starter | 10 | |
| b1b00www | Double and Broken | 50 | |
| Jacobw | Encoding Challenge | 40 | |
| Anass67 | Bytes and Big Integers | 10 | |
| Anass67 | Base64 | 10 | |
| Anass67 | Hex | 5 | |
| ThinkInTheBox | Double and Broken | 50 | |
| Anass67 | ASCII | 5 | |
| Anass67 | Great Snakes | 3 | |
| Anass67 | Finding Flags | 2 | |
| QWXXHSX123 | Deriving Symmetric Keys | 40 | |
| WertherSamsa | Parameter Injection | 60 | |
| origabai | Paper Plane | 120 | |
| n30nx | Micro Transmissions | 120 | |
| ShahdElrawy | Great Snakes | 3 | |
| tiduseleven | What's a Lattice? | 40 | |
| silvereagle429 | Extended GCD | 20 | |
| QWXXHSX123 | Computing Shared Secrets | 30 | |
| goben | ZKP Introduction | 5 | |
| moussa_sane | Base64 | 10 | |
| lapa | ECB Oracle | 60 | |
| KamalSaif | ProSign 3 | 100 | |
| KamalSaif | Curveball | 100 | |
| KamalSaif | Smooth Criminal | 60 | |
| KamalSaif | Montgomery's Ladder | 40 | |
| KamalSaif | Efficient Exchange | 50 | |
| KamalSaif | Curves and Logs | 40 | |
| KamalSaif | Scalar Multiplication | 35 | |
| KamalSaif | Point Addition | 30 | |
| mars_y | Base64 | 10 | |
| sdbillah | Hex | 5 | |
| n30nx | Efficient Exchange | 50 | |
| sdbillah | ASCII | 5 | |
| n30nx | Curves and Logs | 40 | |
| KamalSaif | Point Negation | 10 | |
| KamalSaif | Background Reading | 5 | |
| n30nx | Scalar Multiplication | 35 | |
| KamalSaif | Export-grade | 100 | |
| KamalSaif | Parameter Injection | 60 | |
| sdbillah | Great Snakes | 3 | |
| sdbillah | Finding Flags | 2 | |
| n30nx | Elliptic Nodes | 150 | |
| KamalSaif | Deriving Symmetric Keys | 40 | |
| KamalSaif | Computing Shared Secrets | 30 | |
| KamalSaif | Computing Public Values | 25 | |
| cryptohack137 | XOR Starter | 10 | |
| KamalSaif | Generators of Groups | 20 | |
| KamalSaif | Working with Fields | 10 | |
| Jacobw | Great Snakes | 3 | |
| KamalSaif | Modulus Inutilis | 50 |
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