| Date | User | Challenge | Score |
| Dimitris_Toulis | Monoprime | 30 | |
| Dimitris_Toulis | Factoring | 15 | |
| dirmanyfer | Chinese Remainder Theorem | 40 | |
| M4TTM | Transparency | 50 | |
| TryH4rder | Chinese Remainder Theorem | 40 | |
| ShuklaJi2130 | XOR Starter | 10 | |
| Dimitris_Toulis | RSA Signatures | 25 | |
| Dimitris_Toulis | RSA Decryption | 20 | |
| lewalker | Extended GCD | 20 | |
| Dimitris_Toulis | Private Keys | 20 | |
| Dimitris_Toulis | Euler's Totient | 20 | |
| starnotes | Moving Problems | 150 | |
| Dimitris_Toulis | Public Keys | 15 | |
| rraghad | Dancing Queen | 120 | |
| Dimitris_Toulis | Modular Exponentiation | 10 | |
| rootnomad | Finding Flags | 2 | |
| judemohd03 | RSA or HMAC? | 35 | |
| Dimitris_Toulis | Roll your Own | 125 | |
| ktotam1 | Modulus Inutilis | 50 | |
| 9tsrC_s | Chinese Remainder Theorem | 40 | |
| Duaa_Amer2323 | ASCII | 5 | |
| flooeg | Diffusion through Permutation | 30 | |
| NiAMor | Modulus Inutilis | 50 | |
| TryH4rder | Modular Square Root | 35 | |
| dirmanyfer | Modular Square Root | 35 | |
| slycro | Favourite byte | 20 | |
| ShuklaJi2130 | Bytes and Big Integers | 10 | |
| Anass67 | Diffusion through Permutation | 30 | |
| M3rvins | Base64 | 10 | |
| slycro | XOR Properties | 15 | |
| iluvtiramisu | Hex | 5 | |
| rraghad | Logon Zero | 80 | |
| fatomcys | Finding Flags | 2 | |
| SIR03 | You either know, XOR you don't | 30 | |
| M3rvins | Hex | 5 | |
| OutOfTheWell | Lazy CBC | 60 | |
| FieryBanana101 | The Matrix Revolutions | 125 | |
| M3rvins | ASCII | 5 | |
| Sahar_990 | Hex | 5 | |
| CoNistical | Hex | 5 | |
| dreaming_meaning | Modular Binomials | 80 | |
| M3rvins | Great Snakes | 3 | |
| lavi24 | Passwords as Keys | 50 | |
| CoNistical | ASCII | 5 | |
| M3rvins | Finding Flags | 2 | |
| slycro | XOR Starter | 10 | |
| Galxee | Quadratic Residues | 25 | |
| ktotam1 | Hex | 5 | |
| heeemo_5 | Jack's Birthday Hash | 20 | |
| rraghad | Bean Counter | 60 |
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