| Date | User | Challenge | Score |
| andsopwn | MDFlag | 125 | |
| andsopwn | Twin Keys | 100 | |
| andsopwn | PriMeD5 | 100 | |
| BananaBad | You either know, XOR you don't | 30 | |
| safeuranium | Extended GCD | 20 | |
| zachari | Great Snakes | 3 | |
| zachari | Finding Flags | 2 | |
| Zysee | Confusion through Substitution | 25 | |
| mad220189 | Bringing It All Together | 50 | |
| CryptoMaestro | Structure of AES | 15 | |
| oiji | Jack's Birthday Hash | 20 | |
| UrLastWish | Successive Powers | 60 | |
| Gw_pro | Vectors | 10 | |
| davesbaliswat | Legendre Symbol | 35 | |
| wangdi7670 | Confusion through Substitution | 25 | |
| Divya_shri | Hex | 5 | |
| mad220189 | Diffusion through Permutation | 30 | |
| davesbaliswat | Quadratic Residues | 25 | |
| ADDADDA | You either know, XOR you don't | 30 | |
| davesbaliswat | Modular Inverting | 25 | |
| andsopwn | MD0 | 80 | |
| davesbaliswat | Modular Arithmetic 2 | 20 | |
| davesbaliswat | Modular Arithmetic 1 | 20 | |
| karsar11 | Factoring | 15 | |
| yunseo | Flipping Cookie | 60 | |
| Zysee | Round Keys | 20 | |
| andsopwn | WOTS Up 2 | 90 | |
| andsopwn | WOTS Up | 75 | |
| andsopwn | Merkle Trees | 25 | |
| andsopwn | Invariant | 250 | |
| andsopwn | Mixed Up | 120 | |
| andsopwn | No Difference | 175 | |
| andsopwn | Hash Stuffing | 50 | |
| andsopwn | Collider | 50 | |
| Celcious | Successive Powers | 60 | |
| ADDADDA | Favourite byte | 20 | |
| Shan13 | Quadratic Residues | 25 | |
| a1372321 | Favourite byte | 20 | |
| Shan13 | Modular Inverting | 25 | |
| Shan13 | Modular Arithmetic 2 | 20 | |
| Shan13 | Modular Arithmetic 1 | 20 | |
| eclipse07077 | No Difference | 175 | |
| Shan13 | Extended GCD | 20 | |
| eclipse07077 | MD0 | 80 | |
| Waseem_muhammad | Finding Flags | 2 | |
| KyoZ1 | Finding Flags | 2 | |
| theprohacker345 | Passwords as Keys | 50 | |
| ADDADDA | XOR Properties | 15 | |
| Talace | Modular Exponentiation | 10 | |
| Sneskovl | Quadratic Residues | 25 |
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