| Date | User | Challenge | Score |
| enigmaX | ASCII | 5 | |
| sundul969 | Leet Universe (ImaginaryCTF (Daily)) | 0 | |
| Kryptek | Base64 | 10 | |
| manuelgonzalezmo | Bytes and Big Integers | 10 | |
| Kryptek | Hex | 5 | |
| Sweaz | XOR Properties | 15 | |
| Kryptek | ASCII | 5 | |
| manuelgonzalezmo | Base64 | 10 | |
| Gouvernour | Finding Flags | 2 | |
| Kryptek | Great Snakes | 3 | |
| Kryptek | Finding Flags | 2 | |
| manuelgonzalezmo | Hex | 5 | |
| manuelgonzalezmo | ASCII | 5 | |
| Osama_189 | Bytes and Big Integers | 10 | |
| Assem64 | Quadratic Residues | 25 | |
| manuelgonzalezmo | Great Snakes | 3 | |
| manuelgonzalezmo | Finding Flags | 2 | |
| Emilia_Anczarska | Transparency | 50 | |
| fTiTi | ECB Oracle | 60 | |
| Emilia_Anczarska | SSH Keys | 35 | |
| Emilia_Anczarska | CERTainly not | 30 | |
| draco_apache | Favourite byte | 20 | |
| Assem64 | Modular Inverting | 25 | |
| Emilia_Anczarska | Privacy-Enhanced Mail? | 25 | |
| mnr3seiu | Modular Arithmetic 1 | 20 | |
| Assem64 | Modular Arithmetic 2 | 20 | |
| Emilia_Anczarska | Modular Inverting | 25 | |
| mnr3seiu | Extended GCD | 20 | |
| mnr3seiu | Greatest Common Divisor | 15 | |
| 0xmhmdnsar | RSA Signatures | 25 | |
| Ronin1991 | Finding Flags | 2 | |
| butcher | Oh SNAP | 120 | |
| countryplaza | Monoprime | 30 | |
| NoBirdWasHam | Share (HITCON CTF) | 0 | |
| CarIosxd | Point Addition | 30 | |
| fantom | Adrien's Signs | 80 | |
| CarIosxd | Point Negation | 10 | |
| countryplaza | Factoring | 15 | |
| CarIosxd | RSA Signatures | 25 | |
| CarIosxd | RSA Decryption | 20 | |
| Emilia_Anczarska | Modular Arithmetic 2 | 20 | |
| CarIosxd | Private Keys | 20 | |
| CarIosxd | Public Keys | 15 | |
| enigma140 | Successive Powers | 60 | |
| countryplaza | RSA Signatures | 25 | |
| fantom | Chinese Remainder Theorem | 40 | |
| y73n0k | Bad Temper 2 | 150 | |
| lucurtis_clark | Resisting Bruteforce | 10 | |
| UnlamG1MA | JSON in JSON | 40 | |
| Emilia_Anczarska | Modular Arithmetic 1 | 20 |
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