| Date | User | Challenge | Score |
| ocelot | Legendre Symbol | 35 | |
| xRaseeex | Hex | 5 | |
| Khalandar135 | Finding Flags | 2 | |
| kjs36202 | Smooth Criminal | 60 | |
| BearThaRealHe | Confusion through Substitution | 25 | |
| xRaseeex | ASCII | 5 | |
| Yosof_72 | Logon Zero | 80 | |
| bsvac | Fast Primes | 75 | |
| BearThaRealHe | Round Keys | 20 | |
| amr_hassan | Crossed Wires | 100 | |
| Vic144 | Greatest Common Divisor | 15 | |
| malikberry | Bytes and Big Integers | 10 | |
| 0xG1iTch | Greatest Common Divisor | 15 | |
| WkAhnlx | XOR Starter | 10 | |
| Vic144 | You either know, XOR you don't | 30 | |
| xRaseeex | Great Snakes | 3 | |
| Vic144 | Favourite byte | 20 | |
| xRaseeex | Finding Flags | 2 | |
| BearThaRealHe | Structure of AES | 15 | |
| daslon | Great Snakes | 3 | |
| AESpider | Real Eisenstein | 150 | |
| daslon | Finding Flags | 2 | |
| Vic144 | XOR Properties | 15 | |
| AESpider | Cofactor Cofantasy | 150 | |
| Rick_O_shay | ASCII | 5 | |
| MichaelML | XOR Properties | 15 | |
| rush_i | Quadratic Residues | 25 | |
| phantom_X | Legendre Symbol | 35 | |
| fr0mars_ | Find the Lattice | 100 | |
| Alysss | Great Snakes | 3 | |
| MichaelML | XOR Starter | 10 | |
| Alysss | Finding Flags | 2 | |
| Vic144 | XOR Starter | 10 | |
| MichaelML | Bytes and Big Integers | 10 | |
| Vic144 | Bytes and Big Integers | 10 | |
| osmen | Extended GCD | 20 | |
| mmanna | Base64 | 10 | |
| bsvac | Marin's Secrets | 50 | |
| Thecrytarka | Modular Arithmetic 1 | 20 | |
| thereamix | Round Keys | 20 | |
| Komasan_ | Montgomery Curves | 30 | |
| mmanna | Hex | 5 | |
| gooselose | Hex | 5 | |
| thereamix | Structure of AES | 15 | |
| mmanna | ASCII | 5 | |
| BearThaRealHe | Resisting Bruteforce | 10 | |
| Thecrytarka | Extended GCD | 20 | |
| mmanna | Network Attacks | 5 | |
| gooselose | ASCII | 5 | |
| foidphobic | Modular Inverting | 25 |
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