| Date | User | Challenge | Score |
| A7Q9 | Hex | 5 | |
| ferrat | Invariant | 250 | |
| NXT | Hex | 5 | |
| qwra | Null or Never | 100 | |
| Funnyz_ | Bytes and Big Integers | 10 | |
| CrazyFoX | XOR Properties | 15 | |
| NXT | ASCII | 5 | |
| g3k1 | Static Client 2 | 120 | |
| blueketchup | Static Client 2 | 120 | |
| duxy | Structure of AES | 15 | |
| Funnyz_ | Base64 | 10 | |
| Funnyz_ | Hex | 5 | |
| Funnyz_ | ASCII | 5 | |
| Funnyz_ | Great Snakes | 3 | |
| priyanshoon | Bytes and Big Integers | 10 | |
| Funnyz_ | Finding Flags | 2 | |
| NXT | Great Snakes | 3 | |
| lo1ng | Great Snakes | 3 | |
| katkat | ASCII | 5 | |
| lo1ng | Finding Flags | 2 | |
| A7Q9 | ASCII | 5 | |
| cyk0sure | Scalar Multiplication | 35 | |
| yogurt | Base64 | 10 | |
| yogurt | Hex | 5 | |
| NXT | Finding Flags | 2 | |
| Anti_ | Broken RSA | 100 | |
| r3xdj | Parameter Injection | 60 | |
| duxy | Resisting Bruteforce | 10 | |
| yogurt | ASCII | 5 | |
| priyanshoon | Base64 | 10 | |
| owlybyte | Confusion through Substitution | 25 | |
| Ermin31 | Great Snakes | 3 | |
| arnavbj26 | XOR Starter | 10 | |
| DaBot | Decrypting TLS 1.3 | 35 | |
| A7Q9 | Great Snakes | 3 | |
| g3k1 | Additive | 70 | |
| GentleCat | Favourite byte | 20 | |
| blurysotong | Hex | 5 | |
| yogurt | Great Snakes | 3 | |
| NguyenNK | Bounded Noise | 50 | |
| yogurt | Finding Flags | 2 | |
| DaBot | Decrypting TLS 1.2 | 30 | |
| Beauty | Privacy-Enhanced Mail? | 25 | |
| sasytaco802 | Gaussian Reduction | 50 | |
| Beauty | Lemur XOR | 40 | |
| priyanshoon | Hex | 5 | |
| DaBot | Saying Hello | 20 | |
| ndgsghdj | Montgomery Curves | 30 | |
| Adekunle | XOR Properties | 15 | |
| cyk0sure | Point Addition | 30 |
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