| Date | User | Challenge | Score |
| elgasing21 | Favourite byte | 20 | |
| l0rdimperi0 | XOR Properties | 15 | |
| Askadu | Quadratic Residues | 25 | |
| apon | XOR Starter | 10 | |
| Upgrading | Network Attacks | 5 | |
| eli_rizz | XOR Starter | 10 | |
| elgasing21 | XOR Properties | 15 | |
| Upgrading | Finding Flags | 2 | |
| mag_neta | Euler's Totient | 20 | |
| l0rdimperi0 | XOR Starter | 10 | |
| elgasing21 | XOR Starter | 10 | |
| eli_rizz | Bytes and Big Integers | 10 | |
| elgasing21 | Bytes and Big Integers | 10 | |
| l0rdimperi0 | Bytes and Big Integers | 10 | |
| dirtyDeedz | RSA Signatures | 25 | |
| mag_neta | Public Keys | 15 | |
| eli_rizz | Base64 | 10 | |
| dirtyDeedz | RSA Decryption | 20 | |
| dirtyDeedz | Private Keys | 20 | |
| dirtyDeedz | Euler's Totient | 20 | |
| Exblazer | Finding Flags | 2 | |
| Awesome_Carrot | Finding Flags | 2 | |
| dirtyDeedz | Public Keys | 15 | |
| dirtyDeedz | Modular Exponentiation | 10 | |
| Serenity | Modular Inverting | 25 | |
| Null_00 | Network Attacks | 5 | |
| Lovette | ASCII | 5 | |
| yoonsssu | Computing Shared Secrets | 30 | |
| phat1911 | An Evil Twisted Mind | 175 | |
| shri | Euler's Totient | 20 | |
| Mrg19 | XOR Properties | 15 | |
| huangyi | Base64 | 10 | |
| mag_neta | Modular Exponentiation | 10 | |
| TrouthieCryptHk | Euler's Totient | 20 | |
| LoreK_ | Bean Counter | 60 | |
| Hrishi__932 | Extended GCD | 20 | |
| eli_rizz | Hex | 5 | |
| n0x_sch4tt3n | You either know, XOR you don't | 30 | |
| Null_00 | Legendre Symbol | 35 | |
| huangyi | Hex | 5 | |
| eli_rizz | ASCII | 5 | |
| n0x_sch4tt3n | Favourite byte | 20 | |
| eli_rizz | Great Snakes | 3 | |
| huangyi | ASCII | 5 | |
| bill29290 | Great Snakes | 3 | |
| n0x_sch4tt3n | XOR Properties | 15 | |
| huangyi | Great Snakes | 3 | |
| Serenity | Modular Arithmetic 2 | 20 | |
| eli_rizz | Finding Flags | 2 | |
| Hanz_3816 | Quadratic Residues | 25 |
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