| Date | User | Challenge | Score |
| Marwa_Ayman | XOR Starter | 10 | |
| johnalonissos | Extended GCD | 20 | |
| proto1250 | You either know, XOR you don't | 30 | |
| gk24msc | XOR Properties | 15 | |
| grabczak | Blinding Light | 120 | |
| bowie41 | Diffusion through Permutation | 30 | |
| gk24msc | XOR Starter | 10 | |
| tekina | Greatest Common Divisor | 15 | |
| gk24msc | Bytes and Big Integers | 10 | |
| johnalonissos | Greatest Common Divisor | 15 | |
| eyadKing | Inferius Prime | 30 | |
| malgorzata_p | RSA Signatures | 25 | |
| francois | Secure Protocols | 5 | |
| johnalonissos | You either know, XOR you don't | 30 | |
| Nadav160 | Salty | 20 | |
| gk24msc | Base64 | 10 | |
| malgorzata_p | RSA Decryption | 20 | |
| malgorzata_p | Private Keys | 20 | |
| tempemail | Endless Emails | 150 | |
| malgorzata_p | Euler's Totient | 20 | |
| tekina | You either know, XOR you don't | 30 | |
| goosbo | Curveball | 100 | |
| mppl2409 | Resisting Bruteforce | 10 | |
| bowie41 | Bean Counter | 60 | |
| osihlovec | JWT Sessions | 10 | |
| malgorzata_p | Public Keys | 15 | |
| johnalonissos | Favourite byte | 20 | |
| malgorzata_p | Modular Exponentiation | 10 | |
| mppl2409 | Keyed Permutations | 5 | |
| gk24msc | Hex | 5 | |
| osihlovec | Token Appreciation | 5 | |
| gk24msc | ASCII | 5 | |
| johnalonissos | XOR Properties | 15 | |
| chaiwon | Greatest Common Divisor | 15 | |
| AristotelisAnt | No Way JOSE | 20 | |
| gk24msc | Great Snakes | 3 | |
| francois | RSA or HMAC? Part 2 | 100 | |
| gk24msc | Finding Flags | 2 | |
| starbinhas | You either know, XOR you don't | 30 | |
| johnalonissos | XOR Starter | 10 | |
| Panos_p23236 | Chinese Remainder Theorem | 40 | |
| Nadav160 | Manyprime | 40 | |
| Panos_p23236 | Modular Square Root | 35 | |
| proto1250 | Favourite byte | 20 | |
| Pacos12 | JWT Sessions | 10 | |
| nkswapnil | Modular Arithmetic 1 | 20 | |
| Z5 | Modular Binomials | 80 | |
| Panos_p23236 | Legendre Symbol | 35 | |
| GvanGReaper | Parameter Injection | 60 | |
| osihlovec | WOTS Up 2 | 90 |
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