| Date | User | Challenge | Score |
| wangui | Great Snakes | 3 | |
| ezpc | XOR Starter | 10 | |
| pr1k0l1st | Salty | 20 | |
| warixius | Quadratic Residues | 25 | |
| ChrisBjohn | XOR Properties | 15 | |
| Renzzz | You either know, XOR you don't | 30 | |
| Vanessaura | XOR Starter | 10 | |
| sangi47 | XOR Starter | 10 | |
| K1dnapper | Adrien's Signs | 80 | |
| Vanessaura | Bytes and Big Integers | 10 | |
| pr1k0l1st | Square Eyes | 35 | |
| ChrisBjohn | XOR Starter | 10 | |
| Vanessaura | Base64 | 10 | |
| pr1k0l1st | Monoprime | 30 | |
| Vanessaura | Hex | 5 | |
| Damsssss | Legendre Symbol | 35 | |
| wangui | Finding Flags | 2 | |
| iremnt | Adrien's Signs | 80 | |
| Vanessaura | ASCII | 5 | |
| Vanessaura | Great Snakes | 3 | |
| Vanessaura | Finding Flags | 2 | |
| pr1k0l1st | Inferius Prime | 30 | |
| arnav_616 | You either know, XOR you don't | 30 | |
| arnav_616 | Favourite byte | 20 | |
| arnav_616 | XOR Properties | 15 | |
| pr1k0l1st | Factoring | 15 | |
| arnav_616 | XOR Starter | 10 | |
| jskeob | ZKP Introduction | 5 | |
| Kurikal | Favourite byte | 20 | |
| warixius | Modular Inverting | 25 | |
| arnav_616 | Bytes and Big Integers | 10 | |
| pr1k0l1st | RSA Signatures | 25 | |
| S0laReX | Great Snakes | 3 | |
| aethernoid | Bytes and Big Integers | 10 | |
| ezpc | Bytes and Big Integers | 10 | |
| S0laReX | Finding Flags | 2 | |
| Allfather | Finding Flags | 2 | |
| iremnt | Chinese Remainder Theorem | 40 | |
| bholdd | XOR Starter | 10 | |
| pr1k0l1st | RSA Decryption | 20 | |
| jskeob | Gaussian Reduction | 50 | |
| ezpc | Base64 | 10 | |
| K1dnapper | Chinese Remainder Theorem | 40 | |
| pr1k0l1st | Private Keys | 20 | |
| Spockz | Extended GCD | 20 | |
| pr1k0l1st | Euler's Totient | 20 | |
| pr1k0l1st | Public Keys | 15 | |
| Kurikal | XOR Properties | 15 | |
| pr1k0l1st | Modular Exponentiation | 10 | |
| jskeob | What's a Lattice? | 40 |
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