| Date | User | Challenge | Score |
| Xavier_ramonja | Bytes and Big Integers | 10 | |
| rcelada | Great Snakes | 3 | |
| kaskin | Base64 | 10 | |
| doublejue | Symmetry | 50 | |
| kaskin | Hex | 5 | |
| SJacovettiJr | Greatest Common Divisor | 15 | |
| astra_ | XOR Properties | 15 | |
| knkl384038 | Hex | 5 | |
| Xavier_ramonja | Base64 | 10 | |
| kaskin | ASCII | 5 | |
| astra_ | XOR Starter | 10 | |
| Arj_Goon09 | Favourite byte | 20 | |
| kaskin | Great Snakes | 3 | |
| kaskin | Finding Flags | 2 | |
| WarSpore | Collider | 50 | |
| doublejue | Flipping Cookie | 60 | |
| kira07 | Curves and Logs | 40 | |
| AESpider | Ron was Wrong, Whit is Right | 90 | |
| AESpider | Fast Primes | 75 | |
| Xavier_ramonja | Hex | 5 | |
| AndyVale | Ellipse Curve Cryptography | 125 | |
| 3bo | Modular Arithmetic 1 | 20 | |
| Abilmansur_Daure | Finding Flags | 2 | |
| kira07 | Scalar Multiplication | 35 | |
| Regnm0ln1 | RSA Signatures | 25 | |
| Xavier_ramonja | ASCII | 5 | |
| 3bo | Extended GCD | 20 | |
| Xavier_ramonja | Great Snakes | 3 | |
| Acurisu | Breaking SIDH | 250 | |
| Beethoven3 | Stream of Consciousness | 80 | |
| Regnm0ln1 | RSA Decryption | 20 | |
| akio | Resisting Bruteforce | 10 | |
| bsvac | Export-grade | 100 | |
| astra_ | Bytes and Big Integers | 10 | |
| AESpider | Marin's Secrets | 50 | |
| akio | Keyed Permutations | 5 | |
| bsvac | Parameter Injection | 60 | |
| Regnm0ln1 | Private Keys | 20 | |
| AESpider | Infinite Descent | 50 | |
| airconditioner4 | Lazy CBC | 60 | |
| bsvac | Deriving Symmetric Keys | 40 | |
| 0xmhmdnsar | Keyed Permutations | 5 | |
| vanolion | ASCII | 5 | |
| SJacovettiJr | You either know, XOR you don't | 30 | |
| AESpider | Endless Emails | 150 | |
| izzydinto | Hex | 5 | |
| izzydinto | ASCII | 5 | |
| kira07 | Point Addition | 30 | |
| AESpider | Everything is Still Big | 100 | |
| Turtle | Bytes and Big Integers | 10 |
You are now level Current level