| Date | User | Challenge | Score |
| ArdorBlossom | Passwords as Keys | 50 | |
| Daniil_Eliseev | Hex | 5 | |
| Daniil_Eliseev | ASCII | 5 | |
| veexcell | Greatest Common Divisor | 15 | |
| lemwin | Great Snakes | 3 | |
| Hansi | Adrien's Signs | 80 | |
| whale120 | Breaking SIDH | 250 | |
| lemwin | Finding Flags | 2 | |
| Rimsha1997 | Bytes and Big Integers | 10 | |
| ynsdg | Finding Flags | 2 | |
| Daniil_Eliseev | Great Snakes | 3 | |
| PanneerDosa | Modular Arithmetic 1 | 20 | |
| doctorixx | Monoprime | 30 | |
| Oswald | Beatboxer | 150 | |
| Daniil_Eliseev | Finding Flags | 2 | |
| RingoYummy | Legendre Symbol | 35 | |
| veexcell | You either know, XOR you don't | 30 | |
| Hanzen92 | Base64 | 10 | |
| jora_12 | Resisting Bruteforce | 10 | |
| doctorixx | RSA Signatures | 25 | |
| Pratik22 | XOR Properties | 15 | |
| Pratik22 | XOR Starter | 10 | |
| Pratik22 | Bytes and Big Integers | 10 | |
| jora_12 | Keyed Permutations | 5 | |
| Pratik22 | Base64 | 10 | |
| sma11pi9 | Moving Problems | 150 | |
| rev_cryp | Greatest Common Divisor | 15 | |
| whale120 | Abelian SIDH | 90 | |
| QwQll | Hamiltonicity (CryptoHack) | 0 | |
| kumaresanh0805 | Bytes and Big Integers | 10 | |
| Pratik22 | Hex | 5 | |
| jora_12 | XOR Properties | 15 | |
| Pratik22 | ASCII | 5 | |
| Pratik22 | Great Snakes | 3 | |
| Hanzen92 | Hex | 5 | |
| Hanzen92 | ASCII | 5 | |
| agentsudo | Base64 | 10 | |
| Hanzen92 | Great Snakes | 3 | |
| agentsudo | Hex | 5 | |
| Pratik22 | Finding Flags | 2 | |
| agentsudo | ASCII | 5 | |
| JimJim333 | Finding Flags | 2 | |
| h0ney | RSA Decryption | 20 | |
| agentsudo | Great Snakes | 3 | |
| Oswald | Forbidden Fruit | 150 | |
| toaru_k | Base64 | 10 | |
| agentsudo | Finding Flags | 2 | |
| h0ney | Private Keys | 20 | |
| toaru_k | Hex | 5 | |
| AllanPoe | Export-grade | 100 |
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