| Date | User | Challenge | Score |
| ibpu | Lazy CBC | 60 | |
| jiaqibb | Encoding Challenge | 40 | |
| Akui_05 | Base64 | 10 | |
| Skarn | Point Addition | 30 | |
| Benjaminyoyo | Jack's Birthday Confusion | 30 | |
| Akui_05 | Hex | 5 | |
| Benjaminyoyo | Jack's Birthday Hash | 20 | |
| Ximaz | You either know, XOR you don't | 30 | |
| Akui_05 | ASCII | 5 | |
| Benjaminyoyo | Computing Public Values | 25 | |
| TeddMuunda | Modular Exponentiation | 10 | |
| zhangmengxuan | Jack's Birthday Confusion | 30 | |
| luwofi | RSA or HMAC? Part 2 | 100 | |
| zhangmengxuan | Jack's Birthday Hash | 20 | |
| ibpu | Flipping Cookie | 60 | |
| Tushnik | Legendre Symbol | 35 | |
| yideng | Greatest Common Divisor | 15 | |
| phat1911 | Real Curve Crypto | 200 | |
| Akui_05 | Great Snakes | 3 | |
| Akui_05 | Finding Flags | 2 | |
| Ximaz | Favourite byte | 20 | |
| Tsukii_ | Modular Arithmetic 2 | 20 | |
| Ximaz | XOR Properties | 15 | |
| Benjaminyoyo | Generators of Groups | 20 | |
| ali154 | Finding Flags | 2 | |
| MystixDark | Bytes and Big Integers | 10 | |
| Benjaminyoyo | Working with Fields | 10 | |
| Benjaminyoyo | Network Attacks | 5 | |
| MystixDark | Base64 | 10 | |
| zhangmengxuan | Encoding Challenge | 40 | |
| nmtshark | Bytes and Big Integers | 10 | |
| Skarn | Point Negation | 10 | |
| Pravy | Authentification 1 (Breizh CTF) | 0 | |
| MystixDark | Hex | 5 | |
| nmtshark | Base64 | 10 | |
| p3rm1t | Modular Inverting | 25 | |
| Tsukii_ | Modular Arithmetic 1 | 20 | |
| ___kuratori | Modular Inverting | 25 | |
| MystixDark | ASCII | 5 | |
| ___kuratori | Modular Arithmetic 2 | 20 | |
| Skarn | Background Reading | 5 | |
| Tsukii_ | Extended GCD | 20 | |
| ___kuratori | Modular Arithmetic 1 | 20 | |
| nmtshark | Hex | 5 | |
| MystixDark | Great Snakes | 3 | |
| nmtshark | ASCII | 5 | |
| P3ekaboo | Scalar Multiplication | 35 | |
| MystixDark | Finding Flags | 2 | |
| Holl0w | Null or Never | 100 | |
| A025F | Bytes and Big Integers | 10 |
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