| Date | User | Challenge | Score |
| sp1n0z4 | Montgomery's Ladder | 40 | |
| grizzzer | Montgomery's Ladder | 40 | |
| kiranadea1701 | Encoding Challenge | 40 | |
| IgnacioMercaich | Greatest Common Divisor | 15 | |
| mnh | Structure of AES | 15 | |
| mnh | Resisting Bruteforce | 10 | |
| mnh | Keyed Permutations | 5 | |
| JoshLor | Great Snakes | 3 | |
| JoshLor | Finding Flags | 2 | |
| mnh | Adrien's Signs | 80 | |
| pinfish | Greatest Common Divisor | 15 | |
| ayoubaitlaarbi | RSA Signatures | 25 | |
| Qu1n7as | Let's Decrypt Again | 175 | |
| mnh | Chinese Remainder Theorem | 40 | |
| mnh | Modular Square Root | 35 | |
| Kouh | Bytes and Big Integers | 10 | |
| mnh | Legendre Symbol | 35 | |
| adante77 | Finding Flags | 2 | |
| arren | Bytes and Big Integers | 10 | |
| kiranadea1701 | Network Attacks | 5 | |
| Kouh | Base64 | 10 | |
| mnh | Quadratic Residues | 25 | |
| mnh | Modular Inverting | 25 | |
| mnh | Modular Arithmetic 2 | 20 | |
| xingchi | Bringing It All Together | 50 | |
| mnh | Modular Arithmetic 1 | 20 | |
| NoviceNilesh | Finding Flags | 2 | |
| mnh | Extended GCD | 20 | |
| n30nx | Unencryptable | 125 | |
| mutiara | Export-grade | 100 | |
| mnh | Greatest Common Divisor | 15 | |
| mutiara | Parameter Injection | 60 | |
| Anggita | Export-grade | 100 | |
| rubenalves02 | Base64 | 10 | |
| Kouh | Hex | 5 | |
| Anggita | Parameter Injection | 60 | |
| rubenalves02 | Hex | 5 | |
| xingchi | Diffusion through Permutation | 30 | |
| ayoubaitlaarbi | RSA Decryption | 20 | |
| rubenalves02 | ASCII | 5 | |
| DEBLEXER | You either know, XOR you don't | 30 | |
| Gaetano | You either know, XOR you don't | 30 | |
| khushbu | Greatest Common Divisor | 15 | |
| Anggita | Ellipse Curve Cryptography | 125 | |
| Ant1b0dy | ASCII | 5 | |
| Anggita | Dancing Queen | 120 | |
| Anggita | Lemur XOR | 40 | |
| Anggita | Factoring | 15 | |
| rubenalves02 | Great Snakes | 3 | |
| Anggita | Endless Emails | 150 |
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