| Date | User | Challenge | Score |
| joswelsongday | Favourite byte | 20 | |
| Incognito | Modular Inverting | 25 | |
| joswelsongday | XOR Properties | 15 | |
| jinkun | Bean Counter | 60 | |
| joswelsongday | XOR Starter | 10 | |
| Incognito | Modular Arithmetic 2 | 20 | |
| jelly_ace | You either know, XOR you don't | 30 | |
| joswelsongday | Bytes and Big Integers | 10 | |
| vizz | Greatest Common Divisor | 15 | |
| joswelsongday | Base64 | 10 | |
| jelly_ace | Favourite byte | 20 | |
| joswelsongday | Hex | 5 | |
| joswelsongday | ASCII | 5 | |
| joswelsongday | Great Snakes | 3 | |
| Incognito | Modular Arithmetic 1 | 20 | |
| julialu | Montgomery's Ladder | 40 | |
| beaglebone007 | ASCII | 5 | |
| joswelsongday | Finding Flags | 2 | |
| Akhila | You either know, XOR you don't | 30 | |
| KongBai | Flipping Cookie | 60 | |
| beaglebone007 | Great Snakes | 3 | |
| beaglebone007 | Finding Flags | 2 | |
| kalam_kaizen | Base64 | 10 | |
| Incognito | Extended GCD | 20 | |
| julialu | Efficient Exchange | 50 | |
| Akhila | Favourite byte | 20 | |
| playteddypicker | Megalomaniac 1 | 100 | |
| julialu | Curves and Logs | 40 | |
| kalam_kaizen | Hex | 5 | |
| kalam_kaizen | ASCII | 5 | |
| quangntenemy | Pad Thai | 80 | |
| kalam_kaizen | Great Snakes | 3 | |
| snoopyy | Bytes and Big Integers | 10 | |
| julialu | Scalar Multiplication | 35 | |
| julialu | Point Addition | 30 | |
| dhvani35729 | XOR Starter | 10 | |
| Mervatt | XOR Starter | 10 | |
| snoopyy | Base64 | 10 | |
| dhvani35729 | Bytes and Big Integers | 10 | |
| julialu | Point Negation | 10 | |
| dhvani35729 | Base64 | 10 | |
| julialu | Background Reading | 5 | |
| justinctf | Hex | 5 | |
| Akhila | XOR Properties | 15 | |
| Hank95 | Hex | 5 | |
| snoopyy | Hex | 5 | |
| snoopyy | ASCII | 5 | |
| Akhila | XOR Starter | 10 | |
| snoopyy | Great Snakes | 3 | |
| snoopyy | Finding Flags | 2 |
You are now level Current level