| Date | User | Challenge | Score |
| Eralyen | ASCII | 5 | |
| hanan0x37 | XOR Starter | 10 | |
| M1D0R1M4 | Legendre Symbol | 35 | |
| icaro | RSA Decryption | 20 | |
| Castroo | CERTainly not | 30 | |
| Eralyen | Great Snakes | 3 | |
| EmmanuelGoldberg | Authenticated Handshake | 40 | |
| luispedro | Euler's Totient | 20 | |
| Eralyen | Finding Flags | 2 | |
| icaro | Private Keys | 20 | |
| SigmaMonster | ECB CBC WTF | 55 | |
| phfgoncalves | Euler's Totient | 20 | |
| icaro | Euler's Totient | 20 | |
| hanan0x37 | Bytes and Big Integers | 10 | |
| otaviofaria | CERTainly not | 30 | |
| D4LM0 | CERTainly not | 30 | |
| virtual_insanity | Base64 | 10 | |
| bobiealice | Gotta Go Fast | 40 | |
| Guislande | RSA Decryption | 20 | |
| icaro | Public Keys | 15 | |
| arseniiLevelUp | Quadratic Residues | 25 | |
| Guislande | Private Keys | 20 | |
| Hiago | CERTainly not | 30 | |
| Rafael_Moreira | CERTainly not | 30 | |
| Amilcar11 | ASCII | 5 | |
| phfgoncalves | Public Keys | 15 | |
| Yudex | Public Keys | 15 | |
| Kawa | CERTainly not | 30 | |
| Its_me_Crazy | Finding Flags | 2 | |
| EmmanuelGoldberg | Decrypting TLS 1.3 | 35 | |
| Castroo | RSA Signatures | 25 | |
| Dimitris_Toulis | Let's Decrypt Again | 175 | |
| granato | CERTainly not | 30 | |
| Lucas_Barros | CERTainly not | 30 | |
| Juh | CERTainly not | 30 | |
| D4LM0 | RSA Signatures | 25 | |
| Joao28 | RSA Decryption | 20 | |
| Joao332133213211 | RSA Decryption | 20 | |
| icaro | Modular Exponentiation | 10 | |
| Kawa | RSA Signatures | 25 | |
| Fecony | RSA Decryption | 20 | |
| Gustavinho036 | Factoring | 15 | |
| luispedro | Public Keys | 15 | |
| Moumise | XOR Properties | 15 | |
| bobiealice | Authenticated Handshake | 40 | |
| icaro | Bytes and Big Integers | 10 | |
| EmmanuelGoldberg | Decrypting TLS 1.2 | 30 | |
| arseniiLevelUp | Modular Inverting | 25 | |
| virtual_insanity | Hex | 5 | |
| Hiago | RSA Signatures | 25 |
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