| Date | User | Challenge | Score |
| JoaoPedroPiceli | Everything is Still Big | 100 | |
| nghianguyen1703 | Adrien's Signs | 80 | |
| milezita | Modulus Inutilis | 50 | |
| B00177179 | Modular Exponentiation | 10 | |
| milezita | Salty | 20 | |
| nullbyes | Favourite byte | 20 | |
| Glox000 | Manyprime | 40 | |
| Mateusz_Kowalski | No Way Back Home | 100 | |
| milezita | RSA Signatures | 25 | |
| unaiiperezz | Bytes and Big Integers | 10 | |
| rednorth | Round Keys | 20 | |
| aresinheaven | Secure Protocols | 5 | |
| aresinheaven | JWT Secrets | 25 | |
| aresinheaven | No Way JOSE | 20 | |
| sk3pt1c | MD0 | 80 | |
| sk3pt1c | PriMeD5 | 100 | |
| aresinheaven | JWT Sessions | 10 | |
| slug | Hamiltonicity 1 | 100 | |
| aresinheaven | Token Appreciation | 5 | |
| nghianguyen1703 | Chinese Remainder Theorem | 40 | |
| slug | Hamiltonicity (CryptoHack) | 0 | |
| ali1908 | Base64 | 10 | |
| Glox000 | Monoprime | 30 | |
| sk3pt1c | Hash Stuffing | 50 | |
| rednorth | Structure of AES | 15 | |
| nullbyes | XOR Properties | 15 | |
| TrinityManiac | Modular Arithmetic 1 | 20 | |
| osihlovec | Let's Decrypt | 80 | |
| rich_in_your_wal | XOR Properties | 15 | |
| TrinityManiac | Extended GCD | 20 | |
| luffy84 | ProSign 3 | 100 | |
| Pancakes | Bean Counter | 60 | |
| thepeashooterfan | Greatest Common Divisor | 15 | |
| milezita | Manyprime | 40 | |
| milezita | Square Eyes | 35 | |
| milezita | Monoprime | 30 | |
| milezita | Inferius Prime | 30 | |
| FlyingShrimps | XOR Starter | 10 | |
| milezita | Factoring | 15 | |
| Nezgar | Hex | 5 | |
| small_worm | No Leaks | 100 | |
| Rybashka | Static Client | 100 | |
| Pancakes | Symmetry | 50 | |
| vKK0b00m87 | Modular Binomials | 80 | |
| FlyingShrimps | Bytes and Big Integers | 10 | |
| nuyu82 | Modular Arithmetic 1 | 20 | |
| TrinityManiac | Greatest Common Divisor | 15 | |
| thoovoo | Modulus Inutilis | 50 | |
| milezita | RSA Decryption | 20 | |
| thayse | Network Attacks | 5 |
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