| Date | User | Challenge | Score |
| asdddd | Finding Flags | 2 | |
| skimmer | Deriving Symmetric Keys | 40 | |
| awawa137 | Finding Flags | 2 | |
| heisenkebab | Modular Arithmetic 2 | 20 | |
| gracemesso | ASCII | 5 | |
| foxyyy | RSA Decryption | 20 | |
| SpilledBeans | Non-Interactive | 35 | |
| eysi | Merkle Trees | 25 | |
| eysiiiii | Merkle Trees | 25 | |
| muqqi | Modular Arithmetic 1 | 20 | |
| vstav | Modular Binomials | 80 | |
| Mayank_V | Bytes and Big Integers | 10 | |
| foxyyy | Private Keys | 20 | |
| Amro_Hussein | Null or Never | 100 | |
| foxyyy | Euler's Totient | 20 | |
| foxyyy | Public Keys | 15 | |
| skimmer | Computing Shared Secrets | 30 | |
| muqqi | Extended GCD | 20 | |
| Gabsadio | Size and Basis | 15 | |
| foxyyy | Modular Exponentiation | 10 | |
| Gabsadio | Vectors | 10 | |
| muqqi | Greatest Common Divisor | 15 | |
| Mayank_V | Base64 | 10 | |
| skimmer | Computing Public Values | 25 | |
| gracemesso | Great Snakes | 3 | |
| DavidBrev | Modular Square Root | 35 | |
| VxRabbit | Structure of AES | 15 | |
| F4lk3 | Diffusion through Permutation | 30 | |
| Mayank_V | Hex | 5 | |
| SpilledBeans | Honest Verifier Zero Knowledge | 30 | |
| F4lk3 | Confusion through Substitution | 25 | |
| Mayank_V | ASCII | 5 | |
| OsujiWesley | Bytes and Big Integers | 10 | |
| gbean00 | Hex | 5 | |
| Amro_Hussein | Bespoke Padding | 100 | |
| gbean00 | ASCII | 5 | |
| Juanjo_LG | ASCII | 5 | |
| julsk | Great Snakes | 3 | |
| Khola | Legendre Symbol | 35 | |
| Muhammetali | Bytes and Big Integers | 10 | |
| gbean00 | Great Snakes | 3 | |
| OsujiWesley | Base64 | 10 | |
| muqqi | You either know, XOR you don't | 30 | |
| gbean00 | Finding Flags | 2 | |
| julsk | Finding Flags | 2 | |
| eysiiiii | Saying Hello | 20 | |
| mmihov | Passwords as Keys | 50 | |
| Juanjo_LG | Great Snakes | 3 | |
| v1ct1g3r | Encoding Challenge | 40 | |
| OsujiWesley | Hex | 5 |
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