| Date | User | Challenge | Score |
| Ishanu | Finding Flags | 2 | |
| George_Weasly | RSA Decryption | 20 | |
| George_Weasly | Private Keys | 20 | |
| George_Weasly | Euler's Totient | 20 | |
| George_Weasly | Public Keys | 15 | |
| George_Weasly | Modular Exponentiation | 10 | |
| hoangvu5 | Diffusion through Permutation | 30 | |
| randomstar | Modulus Inutilis | 50 | |
| Abinesh | XOR Starter | 10 | |
| CorvuS | Extended GCD | 20 | |
| hoangvu5 | Confusion through Substitution | 25 | |
| totdking | Hex | 5 | |
| cbrit | XOR Properties | 15 | |
| hoangvu5 | Round Keys | 20 | |
| randomstar | Salty | 20 | |
| hoangvu5 | Structure of AES | 15 | |
| randomstar | Manyprime | 40 | |
| Abinesh | Bytes and Big Integers | 10 | |
| babaisyou | Base64 | 10 | |
| CongMinh | Structure of AES | 15 | |
| zipill | Round Keys | 20 | |
| babaisyou | Hex | 5 | |
| moozwen | Hex | 5 | |
| babaisyou | ASCII | 5 | |
| babaisyou | Great Snakes | 3 | |
| moozwen | ASCII | 5 | |
| randomstar | Square Eyes | 35 | |
| babaisyou | Finding Flags | 2 | |
| Chinebot | CERTainly not | 30 | |
| Romyna | Mister Saplins The Prover | 125 | |
| randomstar | Monoprime | 30 | |
| moozwen | Great Snakes | 3 | |
| moozwen | Finding Flags | 2 | |
| randomstar | Inferius Prime | 30 | |
| PhoenixCR | Resisting Bruteforce | 10 | |
| PhoenixCR | Keyed Permutations | 5 | |
| Romyna | Mister Saplin's Preview | 80 | |
| randomstar | Factoring | 15 | |
| Romyna | Let's Prove It Again | 175 | |
| cbrit | XOR Starter | 10 | |
| Renosirp | Base64 | 10 | |
| randomstar | RSA Signatures | 25 | |
| Renosirp | Hex | 5 | |
| Chinebot | Privacy-Enhanced Mail? | 25 | |
| Renosirp | ASCII | 5 | |
| Renosirp | Great Snakes | 3 | |
| randomstar | RSA Decryption | 20 | |
| Renosirp | Finding Flags | 2 | |
| PhoenixCR | Network Attacks | 5 | |
| randomstar | Private Keys | 20 |
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