| Date | User | Challenge | Score |
| stamatia_psalti | Hash Stuffing | 50 | |
| ispo | Curveball | 100 | |
| Ygx | You either know, XOR you don't | 30 | |
| g__p | Let's Decrypt | 80 | |
| liya | Bringing It All Together | 50 | |
| mill9re | XOR Properties | 15 | |
| g__p | Bespoke Padding | 100 | |
| stamatia_psalti | Collider | 50 | |
| Intermeme | Great Snakes | 3 | |
| Ygx | Favourite byte | 20 | |
| MrD | Generators of Groups | 20 | |
| Intermeme | You either know, XOR you don't | 30 | |
| Ygx | XOR Properties | 15 | |
| ub_krypto_25_14 | Diffusion through Permutation | 30 | |
| mill9re | XOR Starter | 10 | |
| doomguy24 | You either know, XOR you don't | 30 | |
| daxl | Hex | 5 | |
| MrD | Working with Fields | 10 | |
| daxl | ASCII | 5 | |
| whit3g4ndalf | Montgomery's Ladder | 40 | |
| MrD | Modulus Inutilis | 50 | |
| stamatia_psalti | Jack's Birthday Confusion | 30 | |
| Ygx | XOR Starter | 10 | |
| g__p | Vote for Pedro | 150 | |
| Intermeme | Favourite byte | 20 | |
| small_worm | Armory | 100 | |
| g__p | Null or Never | 100 | |
| spork | XOR Properties | 15 | |
| mikuleci | Adrien's Signs | 80 | |
| g__p | Blinding Light | 120 | |
| ub_krypto_25_14 | Confusion through Substitution | 25 | |
| Mansyr1337 | Network Attacks | 5 | |
| mikuleci | Chinese Remainder Theorem | 40 | |
| mill9re | Bytes and Big Integers | 10 | |
| notausername | Find the Lattice | 100 | |
| mikuleci | Modular Square Root | 35 | |
| ryuya | Hex | 5 | |
| ali125 | Legendre Symbol | 35 | |
| Mansyr1337 | Favourite byte | 20 | |
| Mansyr1337 | XOR Properties | 15 | |
| mikuleci | Legendre Symbol | 35 | |
| Intermeme | XOR Properties | 15 | |
| mill9re | Base64 | 10 | |
| mikuleci | Quadratic Residues | 25 | |
| Mansyr1337 | XOR Starter | 10 | |
| doomguy24 | Favourite byte | 20 | |
| liya | Diffusion through Permutation | 30 | |
| Mansyr1337 | Bytes and Big Integers | 10 | |
| daxl | Great Snakes | 3 | |
| aboltus | Bringing It All Together | 50 |
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