| Date | User | Challenge | Score |
| yr81 | Authenticated Handshake | 40 | |
| Matrixian | Hex | 5 | |
| is23lame | Diffusion through Permutation | 30 | |
| devsec | Base64 | 10 | |
| DDTxCTF | Great Snakes | 3 | |
| Matrixian | ASCII | 5 | |
| deathlocker88 | XOR Starter | 10 | |
| noobboymk | Point Addition | 30 | |
| deathlocker88 | Bytes and Big Integers | 10 | |
| devsec | Hex | 5 | |
| s1340079 | Modular Inverting | 25 | |
| Valean | Modular Arithmetic 1 | 20 | |
| deathlocker88 | Base64 | 10 | |
| Aiman005 | XOR Starter | 10 | |
| Suyash_Vats | XOR Properties | 15 | |
| devsec | ASCII | 5 | |
| KGR | Finding Flags | 2 | |
| DDTxCTF | Finding Flags | 2 | |
| kushaldutta | ASCII | 5 | |
| MerleDiabolique | ASCII | 5 | |
| devsec | Great Snakes | 3 | |
| devsec | Finding Flags | 2 | |
| r01x | Successive Powers | 60 | |
| Suyash_Vats | XOR Starter | 10 | |
| crypto619 | RSA or HMAC? | 35 | |
| Matrixian | Finding Flags | 2 | |
| s1340079 | Modular Arithmetic 2 | 20 | |
| Valean | Extended GCD | 20 | |
| MerleDiabolique | Great Snakes | 3 | |
| LingLing_at_CH | Everything is Big | 70 | |
| hninmyatthuaye | Lemur XOR | 40 | |
| Aiman005 | Bytes and Big Integers | 10 | |
| MerleDiabolique | Finding Flags | 2 | |
| kushaldutta | Great Snakes | 3 | |
| bharthi_12 | XOR Starter | 10 | |
| firedream | Square Eyes | 35 | |
| r01x | Chinese Remainder Theorem | 40 | |
| Suyash_Vats | Bytes and Big Integers | 10 | |
| kushaldutta | Finding Flags | 2 | |
| nianyi | From Private to Public Key LWE | 25 | |
| nianyi | LWE Intro | 10 | |
| DRM | Great Snakes | 3 | |
| r01x | Modular Square Root | 35 | |
| is23lame | Confusion through Substitution | 25 | |
| nianyi | Jack's Birthday Hash | 20 | |
| deathlocker88 | Hex | 5 | |
| deathlocker88 | ASCII | 5 | |
| sasytaco802 | d-phi-enc (HackTM CTF) | 0 | |
| DRM | Finding Flags | 2 | |
| Kyle_0215 | Network Attacks | 5 |
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