| Date | User | Challenge | Score |
| Nasion | Base64 | 10 | |
| Relearning_again | Modular Inverting | 25 | |
| Abkr_i5m | Hex | 5 | |
| Xavier_Ochoa | Euler's Totient | 20 | |
| spoorthi | Great Snakes | 3 | |
| v4l4qui0 | Great Snakes | 3 | |
| Relearning_again | Modular Arithmetic 2 | 20 | |
| pc417 | Collider | 50 | |
| bulldoser | Great Snakes | 3 | |
| spoorthi | Finding Flags | 2 | |
| BryanAngulo1022 | XOR Starter | 10 | |
| Janindu2204 | Base64 | 10 | |
| kiperZ | Greatest Common Divisor | 15 | |
| Xavier_Ochoa | Public Keys | 15 | |
| Honoured_One | RSA Decryption | 20 | |
| Janindu2204 | Hex | 5 | |
| nao_sei | Modular Arithmetic 2 | 20 | |
| alingCalc | Special Soundness | 25 | |
| v4l4qui0 | Finding Flags | 2 | |
| Rg19 | Base64 | 10 | |
| AlxGonin | CERTainly not | 30 | |
| noobboymk | Modes of Operation Starter | 15 | |
| BryanAngulo1022 | Bytes and Big Integers | 10 | |
| Honoured_One | Private Keys | 20 | |
| bulldoser | Finding Flags | 2 | |
| Draxen | XOR Starter | 10 | |
| Relearning_again | Modular Arithmetic 1 | 20 | |
| Rg19 | Hex | 5 | |
| alingCalc | Proofs of Knowledge | 20 | |
| Jossu | Favourite byte | 20 | |
| Honoured_One | Euler's Totient | 20 | |
| Relearning_again | Extended GCD | 20 | |
| Fuad001 | Great Snakes | 3 | |
| Honoured_One | Public Keys | 15 | |
| Fuad001 | Finding Flags | 2 | |
| TheCrazyDiamond | Modular Binomials | 80 | |
| Nasion | Hex | 5 | |
| Honoured_One | Modular Exponentiation | 10 | |
| alingCalc | Megalomaniac 3 | 120 | |
| nao_sei | Modular Arithmetic 1 | 20 | |
| Janindu2204 | ASCII | 5 | |
| udarsloneczny | Finding Flags | 2 | |
| Nasion | ASCII | 5 | |
| mlko | Round Keys | 20 | |
| alingCalc | Megalomaniac 2 | 120 | |
| Nasion | Great Snakes | 3 | |
| Nasion | Finding Flags | 2 | |
| braier | Hex | 5 | |
| modest | Favourite byte | 20 | |
| Draxen | Bytes and Big Integers | 10 |
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