| Date | User | Challenge | Score |
| 10293284u832u481 | Finding Flags | 2 | |
| Arpitinhere | Modular Exponentiation | 10 | |
| adanaboshnde | Keyed Permutations | 5 | |
| nikiolga9 | CERTainly not | 30 | |
| haddockPaella | Modular Binomials | 80 | |
| SpilledBeans | Ron was Wrong, Whit is Right | 90 | |
| Leftstam | Modulus Inutilis | 50 | |
| dextercos | Keyed Permutations | 5 | |
| TURB0 | XOR Starter | 10 | |
| Adem0 | Bespoke Padding | 100 | |
| ayanatbb | Manyprime | 40 | |
| Crytptowiz | Finding Flags | 2 | |
| tpaiva | Hash Stuffing | 50 | |
| ayanatbb | Square Eyes | 35 | |
| hmmm | Bytes and Big Integers | 10 | |
| ayanatbb | Monoprime | 30 | |
| Kicks299 | ASCII | 5 | |
| Leftstam | Salty | 20 | |
| hmmm | Base64 | 10 | |
| ayanatbb | Inferius Prime | 30 | |
| ayanatbb | Factoring | 15 | |
| jeanchpt | ProSign 3 | 100 | |
| ayanatbb | RSA Signatures | 25 | |
| NeelayPuranik | CERTainly not | 30 | |
| DrDoom1234 | XOR Starter | 10 | |
| Leftstam | Working with Fields | 10 | |
| Feedback325 | Hex | 5 | |
| ayanatbb | RSA Decryption | 20 | |
| hmmm | Hex | 5 | |
| Kicks299 | Network Attacks | 5 | |
| NeelayPuranik | SSH Keys | 35 | |
| ayanatbb | Private Keys | 20 | |
| hmmm | ASCII | 5 | |
| tpaiva | Collider | 50 | |
| ayanatbb | Euler's Totient | 20 | |
| hmmm | Network Attacks | 5 | |
| jarwhal | Quadratic Residues | 25 | |
| ayanatbb | Public Keys | 15 | |
| baselsadi1 | Resisting Bruteforce | 10 | |
| NeelayPuranik | Privacy-Enhanced Mail? | 25 | |
| zerodaygym | Modular Arithmetic 2 | 20 | |
| ayanatbb | Modular Exponentiation | 10 | |
| nikiolga9 | Privacy-Enhanced Mail? | 25 | |
| tpaiva | Jack's Birthday Confusion | 30 | |
| Leftstam | RSA Decryption | 20 | |
| Feedback325 | ASCII | 5 | |
| Qu1n7as | Ron was Wrong, Whit is Right | 90 | |
| tpaiva | Jack's Birthday Hash | 20 | |
| NeelayPuranik | Modular Inverting | 25 | |
| Leftstam | Manyprime | 40 |
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