| Date | User | Challenge | Score |
| shalo_natalie | XOR Properties | 15 | |
| Hans_sui | Bringing It All Together | 50 | |
| joker123 | Modular Arithmetic 2 | 20 | |
| issa_m_a | Bytes and Big Integers | 10 | |
| shalo_natalie | XOR Starter | 10 | |
| shalo_natalie | Bytes and Big Integers | 10 | |
| shalo_natalie | Base64 | 10 | |
| shalo_natalie | Hex | 5 | |
| GLucy | XOR Properties | 15 | |
| rawcloner | Favourite byte | 20 | |
| shalo_natalie | ASCII | 5 | |
| shalo_natalie | Great Snakes | 3 | |
| ragunogh | Computing Shared Secrets | 30 | |
| MarcolproB2 | Bytes and Big Integers | 10 | |
| ragunogh | Computing Public Values | 25 | |
| lightjyagabin123 | Base64 | 10 | |
| GLucy | XOR Starter | 10 | |
| lightjyagabin123 | Hex | 5 | |
| PavithraMuthuvel | Factoring | 15 | |
| rawcloner | XOR Properties | 15 | |
| MarcolproB2 | Base64 | 10 | |
| PavithraMuthuvel | RSA Signatures | 25 | |
| abraham404 | Bytes and Big Integers | 10 | |
| MarcolproB2 | Hex | 5 | |
| ragunogh | Generators of Groups | 20 | |
| Sumitkr | Great Snakes | 3 | |
| Sumitkr | Finding Flags | 2 | |
| lightjyagabin123 | ASCII | 5 | |
| chelowahu | Favourite byte | 20 | |
| lightjyagabin123 | Great Snakes | 3 | |
| chelowahu | XOR Properties | 15 | |
| chelowahu | XOR Starter | 10 | |
| lightjyagabin123 | Finding Flags | 2 | |
| chelowahu | Bytes and Big Integers | 10 | |
| AlvinKyalo | Network Attacks | 5 | |
| ragunogh | Working with Fields | 10 | |
| chelowahu | Base64 | 10 | |
| chelowahu | Hex | 5 | |
| Tumaini | Bytes and Big Integers | 10 | |
| AlvinKyalo | You either know, XOR you don't | 30 | |
| chelowahu | ASCII | 5 | |
| AlvinKyalo | Favourite byte | 20 | |
| Tumaini | Base64 | 10 | |
| Tumaini | Hex | 5 | |
| AlvinKyalo | XOR Properties | 15 | |
| AlvinKyalo | XOR Starter | 10 | |
| raminbhl | Base64 | 10 | |
| ragunogh | Salty | 20 | |
| AlvinKyalo | Bytes and Big Integers | 10 | |
| raminbhl | Hex | 5 |
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