| Date | User | Challenge | Score |
| ishitkuntal | Modular Exponentiation | 10 | |
| deannayi | Salty | 20 | |
| cjc468 | Private Keys | 20 | |
| snf46 | Legendre Symbol | 35 | |
| Jonah_Caso | Factoring | 15 | |
| deannayi | Manyprime | 40 | |
| ryanjiang578 | Base64 | 10 | |
| JakeWin | Generators of Groups | 20 | |
| deannayi | Monoprime | 30 | |
| abhi42 | Manyprime | 40 | |
| tk43892104832 | Monoprime | 30 | |
| JakeWin | Working with Fields | 10 | |
| pc727 | You either know, XOR you don't | 30 | |
| pc727 | Favourite byte | 20 | |
| prajwalkhanal304 | Public Keys | 15 | |
| deannayi | Factoring | 15 | |
| snb139 | Monoprime | 30 | |
| pc727 | XOR Properties | 15 | |
| prajwalkhanal304 | Modular Exponentiation | 10 | |
| no06 | Deriving Symmetric Keys | 40 | |
| pc727 | XOR Starter | 10 | |
| rbr68 | Hex | 5 | |
| Rsto6 | RSA Signatures | 25 | |
| JakeWin | Modulus Inutilis | 50 | |
| Apo | Private Keys | 20 | |
| Drak | Modular Exponentiation | 10 | |
| tk43892104832 | Factoring | 15 | |
| snb139 | Factoring | 15 | |
| pc727 | Bytes and Big Integers | 10 | |
| no06 | Computing Shared Secrets | 30 | |
| rbr68 | Great Snakes | 3 | |
| tk43892104832 | RSA Signatures | 25 | |
| joshcl | Computing Public Values | 25 | |
| rbr68 | Finding Flags | 2 | |
| Jonah_Caso | RSA Signatures | 25 | |
| tanisha1807 | Factoring | 15 | |
| kien | Chinese Remainder Theorem | 40 | |
| prajwalkhanal304 | Modular Binomials | 80 | |
| nickkanan | Deriving Symmetric Keys | 40 | |
| LJ166 | Modular Exponentiation | 10 | |
| deannayi | RSA Signatures | 25 | |
| Apo | Euler's Totient | 20 | |
| JakeWin | Salty | 20 | |
| ryanjiang578 | Hex | 5 | |
| tk43892104832 | RSA Decryption | 20 | |
| snf46 | Quadratic Residues | 25 | |
| RyanWu | Modular Arithmetic 2 | 20 | |
| tk43892104832 | Private Keys | 20 | |
| nickkanan | Modular Binomials | 80 | |
| RandomUser101 | Adrien's Signs | 80 |
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