| Date | User | Challenge | Score |
| Linn | Greatest Common Divisor | 15 | |
| OleksiiSt | SSH Keys | 35 | |
| cyber_selva | Base64 | 10 | |
| un5h4d0w | Quadratic Residues | 25 | |
| khxld | Quadratic Residues | 25 | |
| TTiny | Modular Arithmetic 1 | 20 | |
| ForJ | CTRIME | 70 | |
| TTiny | Extended GCD | 20 | |
| Urvi | Monoprime | 30 | |
| OleksiiSt | No Way JOSE | 20 | |
| Urvi | Factoring | 15 | |
| Urvi | RSA Signatures | 25 | |
| OleksiiSt | Token Appreciation | 5 | |
| sondofootman | ASCII | 5 | |
| Soul_eye | Hex | 5 | |
| KMA_SiriuS_ | Working with Fields | 10 | |
| Kanishkaa | Hex | 5 | |
| ClaraW | Export-grade | 100 | |
| cyber_selva | Hex | 5 | |
| cryptoRiO | Let's Decrypt Again | 175 | |
| Nemo2002 | Modular Inverting | 25 | |
| Dgcg | CTRIME | 70 | |
| MSDsikipon | Hamiltonicity 1 | 100 | |
| MSDsikipon | Hamiltonicity (CryptoHack) | 0 | |
| hanahiennguyen | Deriving Symmetric Keys | 40 | |
| bokthefish | Efficient Exchange | 50 | |
| crypto_saka_hack | Jack's Birthday Confusion | 30 | |
| cyber_selva | ASCII | 5 | |
| KMA_SiriuS_ | Modulus Inutilis | 50 | |
| Math | Lemur XOR | 40 | |
| KernelMatrix | Legendre Symbol | 35 | |
| Nemo2002 | Modular Arithmetic 2 | 20 | |
| crypto_saka_hack | Jack's Birthday Hash | 20 | |
| ClaraW | Parameter Injection | 60 | |
| TTiny | Greatest Common Divisor | 15 | |
| bokthefish | Curves and Logs | 40 | |
| NearXa | Real Curve Crypto | 200 | |
| shyamravi | Hex | 5 | |
| KK5559D | Point Negation | 10 | |
| fazslll | Resisting Bruteforce | 10 | |
| YWzhong | Base64 | 10 | |
| KK5559D | Background Reading | 5 | |
| oongyi | Greatest Common Divisor | 15 | |
| Yuzuu | Modular Binomials | 80 | |
| shyamravi | ASCII | 5 | |
| sondofootman | Great Snakes | 3 | |
| Spider1Sec | RSATogether (ECSC 2024 (Italy)) | 0 | |
| prajwalgn03 | Everything is Big | 70 | |
| h_u84fd | Legendre Symbol | 35 | |
| shyamravi | Great Snakes | 3 |
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