| Date | User | Challenge | Score |
| janky | Everything is Big | 70 | |
| Cookie2612 | Crossed Wires | 100 | |
| su_lee | Finding Flags | 2 | |
| anonimo123132 | Hex | 5 | |
| hexsociety | Base64 | 10 | |
| hexsociety | Hex | 5 | |
| hexsociety | ASCII | 5 | |
| Arriccio | Working with Fields | 10 | |
| Arriccio | Modulus Inutilis | 50 | |
| eternalstrike | Merkle Trees | 25 | |
| bytePAD | Modular Inverting | 25 | |
| JoseDaniel33232 | Keyed Permutations | 5 | |
| exampleuser69 | Base64 | 10 | |
| exampleuser69 | Hex | 5 | |
| exampleuser69 | ASCII | 5 | |
| exampleuser69 | Network Attacks | 5 | |
| exampleuser69 | Great Snakes | 3 | |
| exampleuser69 | Finding Flags | 2 | |
| AT210553 | Modular Arithmetic 1 | 20 | |
| JoseDaniel33232 | Great Snakes | 3 | |
| skiller3478 | RSA Decryption | 20 | |
| AT210553 | Extended GCD | 20 | |
| Arriccio | Salty | 20 | |
| jurvan | XOR Starter | 10 | |
| eternalstrike | Pairing-Based Cryptography | 50 | |
| Arriccio | Manyprime | 40 | |
| jurvan | ASCII | 5 | |
| hexsociety | Great Snakes | 3 | |
| bytePAD | Modular Arithmetic 2 | 20 | |
| hexsociety | Finding Flags | 2 | |
| bytePAD | Modular Arithmetic 1 | 20 | |
| Arriccio | Monoprime | 30 | |
| bytePAD | Extended GCD | 20 | |
| janky | Square Eyes | 35 | |
| Arriccio | Factoring | 15 | |
| Arriccio | RSA Signatures | 25 | |
| janky | Inferius Prime | 30 | |
| jurvan | Network Attacks | 5 | |
| Arriccio | RSA Decryption | 20 | |
| skiller3478 | Private Keys | 20 | |
| Arriccio | Private Keys | 20 | |
| janky | Deriving Symmetric Keys | 40 | |
| jurvan | Great Snakes | 3 | |
| jurvan | Finding Flags | 2 | |
| Arriccio | Euler's Totient | 20 | |
| Arriccio | Public Keys | 15 | |
| Arriccio | Modular Exponentiation | 10 | |
| d4pr0 | Too Honest | 50 | |
| janky | Computing Shared Secrets | 30 | |
| Arriccio | Bean Counter | 60 |
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