| Date | User | Challenge | Score |
| 26521111001 | Elliptic Nodes | 150 | |
| unknown_02 | Hex | 5 | |
| zabieru | Triple DES | 60 | |
| Technomanicat | Computing Public Values | 25 | |
| Rezzen | Bytes and Big Integers | 10 | |
| 26521111001 | Micro Transmissions | 120 | |
| reyanryy | Base64 | 10 | |
| cryp_slay | Favourite byte | 20 | |
| 26521111001 | Exceptional Curves | 100 | |
| M1D0R1M4 | Export-grade | 100 | |
| shresta | Hex | 5 | |
| MHW | Confusion through Substitution | 25 | |
| shresta | ASCII | 5 | |
| reyanryy | Hex | 5 | |
| aling | Common Ground | 75 | |
| shresta | Great Snakes | 3 | |
| HeinHtet | Hex | 5 | |
| ImnKan | Quadratic Residues | 25 | |
| Shinerone | Favourite byte | 20 | |
| MHW | Round Keys | 20 | |
| YoYoRap | ECB CBC WTF | 55 | |
| Shinerone | XOR Properties | 15 | |
| shresta | Finding Flags | 2 | |
| dd99 | Resisting Bruteforce | 10 | |
| Shinerone | XOR Starter | 10 | |
| Shinerone | Bytes and Big Integers | 10 | |
| dd99 | Keyed Permutations | 5 | |
| Shinerone | Base64 | 10 | |
| Shinerone | Hex | 5 | |
| Shinerone | ASCII | 5 | |
| Shinerone | Great Snakes | 3 | |
| YoYoRap | ECB Oracle | 60 | |
| zabieru | Lazy CBC | 60 | |
| Shinerone | Finding Flags | 2 | |
| MHW | Structure of AES | 15 | |
| dinara05 | Finding Flags | 2 | |
| badiyev | ASCII | 5 | |
| badiyev | Great Snakes | 3 | |
| badiyev | Finding Flags | 2 | |
| lu_or_zzyycc | Resisting Bruteforce | 10 | |
| lu_or_zzyycc | Keyed Permutations | 5 | |
| 26521111001 | WOTS Up 2 | 90 | |
| monkeybutt | Greatest Common Divisor | 15 | |
| raptor_codes | ASCII | 5 | |
| 26521111001 | WOTS Up | 75 | |
| leelelele | Finding Flags | 2 | |
| Mohd_Zaid | Bytes and Big Integers | 10 | |
| 26521111001 | Invariant | 250 | |
| 26521111001 | Mixed Up | 120 | |
| raptor_codes | Finding Flags | 2 |
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