| Date | User | Challenge | Score |
| Maryamishaq_1 | Great Snakes | 3 | |
| gruenerheli | Private Keys | 20 | |
| VxRabbit | Adrien's Signs | 80 | |
| iwalu | Greatest Common Divisor | 15 | |
| Maryamishaq_1 | Finding Flags | 2 | |
| y4mm1 | SIDH Key Exchange | 80 | |
| SuPeRPi9 | Additive | 70 | |
| youssefKhaled | Base64 | 10 | |
| mapioe | You either know, XOR you don't | 30 | |
| l343 | You either know, XOR you don't | 30 | |
| ItsRaindrop6527 | Base64 | 10 | |
| verdict7 | Unencryptable | 125 | |
| Warlock04 | Greatest Common Divisor | 15 | |
| ob5erver | Resisting Bruteforce | 10 | |
| ob5erver | Keyed Permutations | 5 | |
| gofmank | Extended GCD | 20 | |
| w5xyZ25lIHbDpGdp | Finding Flags | 2 | |
| Warlock04 | You either know, XOR you don't | 30 | |
| youssefKhaled | Hex | 5 | |
| gofmank | Base64 | 10 | |
| gofmank | Greatest Common Divisor | 15 | |
| gofmank | XOR Starter | 10 | |
| l343 | Favourite byte | 20 | |
| cybermanuel | You either know, XOR you don't | 30 | |
| HackerIg | XOR Starter | 10 | |
| IhereAccendicall | You either know, XOR you don't | 30 | |
| cafecafe | Modular Inverting | 25 | |
| cafecafe | Modular Arithmetic 2 | 20 | |
| cafecafe | Modular Arithmetic 1 | 20 | |
| Warlock04 | Favourite byte | 20 | |
| EmmanuelGoldberg | LFSR Destroyer | 250 | |
| nadinadinad | Base64 | 10 | |
| miruze | Greatest Common Divisor | 15 | |
| Unknxwn_entity | Great Snakes | 3 | |
| nadinadinad | Hex | 5 | |
| IhereAccendicall | Favourite byte | 20 | |
| cybermanuel | Favourite byte | 20 | |
| IhereAccendicall | XOR Properties | 15 | |
| Unknxwn_entity | Finding Flags | 2 | |
| l343 | XOR Properties | 15 | |
| IhereAccendicall | XOR Starter | 10 | |
| IhereAccendicall | Bytes and Big Integers | 10 | |
| cafecafe | Extended GCD | 20 | |
| cavazinf | An Exceptional Twisted Mind | 125 | |
| katanabeneficial | Private Keys | 20 | |
| IhereAccendicall | Base64 | 10 | |
| Warlock04 | XOR Properties | 15 | |
| IhereAccendicall | Hex | 5 | |
| IhereAccendicall | ASCII | 5 | |
| IhereAccendicall | Great Snakes | 3 |
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