| Date | User | Challenge | Score |
| sl0nique | Marin's Secrets | 50 | |
| sl0nique | Infinite Descent | 50 | |
| geleprechaun | Finding Flags | 2 | |
| Pardhiuman | Salty | 20 | |
| Langezinhoo | Generators of Groups | 20 | |
| anastef | Vectors | 10 | |
| Langezinhoo | Working with Fields | 10 | |
| Pardhiuman | Signing Server | 60 | |
| thefakejeff | Base64 | 10 | |
| luffy84 | Hash Stuffing | 50 | |
| lamchop | Chinese Remainder Theorem | 40 | |
| aycayagli | Euler's Totient | 20 | |
| Pardhiuman | Null or Never | 100 | |
| Giovani | Hex | 5 | |
| nd0 | Favourite byte | 20 | |
| lamchop | Modular Square Root | 35 | |
| nd0 | XOR Properties | 15 | |
| thefakejeff | Hex | 5 | |
| Pardhiuman | Bespoke Padding | 100 | |
| sai09naidu89 | RSA Decryption | 20 | |
| lamchop | Legendre Symbol | 35 | |
| Kriz | Deriving Symmetric Keys | 40 | |
| Pardhiuman | Infinite Descent | 50 | |
| aycayagli | Public Keys | 15 | |
| thefakejeff | ASCII | 5 | |
| Pardhiuman | Marin's Secrets | 50 | |
| thefakejeff | Great Snakes | 3 | |
| y0dam4n | Modular Inverting | 25 | |
| ispagetti | Great Snakes | 3 | |
| Pardhiuman | Fast Primes | 75 | |
| ngd33 | Hex | 5 | |
| y0dam4n | Modular Arithmetic 2 | 20 | |
| subnetmask | Modes of Operation Starter | 15 | |
| ispagetti | Finding Flags | 2 | |
| nathaniel_nolife | You either know, XOR you don't | 30 | |
| Kriz | Computing Shared Secrets | 30 | |
| cryptoenthu | Base64 | 10 | |
| aresinheaven | LWE Intro | 10 | |
| Gajban | Crossed Wires | 100 | |
| ngd33 | ASCII | 5 | |
| Pardhiuman | RSA Backdoor Viability | 175 | |
| aresinheaven | LWE Background | 5 | |
| aycayagli | Modular Exponentiation | 10 | |
| Langezinhoo | Salty | 20 | |
| Kriz | Computing Public Values | 25 | |
| thefakejeff | Finding Flags | 2 | |
| aresinheaven | Gaussian Reduction | 50 | |
| ngd33 | Great Snakes | 3 | |
| Giovani | Finding Flags | 2 | |
| Langezinhoo | Factoring | 15 |
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