| Date | User | Challenge | Score |
| Amit1111111111 | Deriving Symmetric Keys | 40 | |
| g17 | ASCII | 5 | |
| nikogr | ECB CBC WTF | 55 | |
| marasdk | Legendre Symbol | 35 | |
| ngocanhmeo | Base64 | 10 | |
| ngocanhmeo | Hex | 5 | |
| Nerx4s93 | Adrien's Signs | 80 | |
| nikaa | Chinese Remainder Theorem | 40 | |
| Zukane | Functional (ICC Athens) | 0 | |
| Abzucker | ASCII | 5 | |
| K11 | From Private to Public Key LWE | 25 | |
| PatrickL_SC | Additive | 70 | |
| K11 | LWE Low Bits Message | 20 | |
| Abzucker | Great Snakes | 3 | |
| Amit1111111111 | Computing Shared Secrets | 30 | |
| dabrowskaa | Authenticated Handshake | 40 | |
| Yousef_mo7sen | Hex | 5 | |
| Abzucker | Finding Flags | 2 | |
| fr1x3r | Adrien's Signs | 80 | |
| marasdk | Quadratic Residues | 25 | |
| Arpitinhere | You either know, XOR you don't | 30 | |
| sudor269 | Crossed Wires | 100 | |
| Amit1111111111 | Computing Public Values | 25 | |
| ngocanhmeo | ASCII | 5 | |
| ali125 | Quadratic Residues | 25 | |
| ngocanhmeo | Great Snakes | 3 | |
| K11 | LWE High Bits Message | 15 | |
| nikaa | Modular Square Root | 35 | |
| Z5 | Network Attacks | 5 | |
| nikaa | Legendre Symbol | 35 | |
| sudor269 | Everything is Big | 70 | |
| ngocanhmeo | Finding Flags | 2 | |
| elgatik | Modular Exponentiation | 10 | |
| Gabsadio | Montgomery's Ladder | 40 | |
| Zukane | ed25519 magic (ICC Athens) | 0 | |
| DIMITRISMANIATIS | Computing Public Values | 25 | |
| sudor269 | Modulus Inutilis | 50 | |
| BenMosh1 | Resisting Bruteforce | 10 | |
| BenMosh1 | Keyed Permutations | 5 | |
| arealsquirrel | Square Eyes | 35 | |
| ali125 | Modular Inverting | 25 | |
| sudor269 | Salty | 20 | |
| eirene | Encoding Challenge | 40 | |
| ali125 | Modular Arithmetic 2 | 20 | |
| Barak | Hash Stuffing | 50 | |
| K11 | LWE Intro | 10 | |
| Kheeto | Great Snakes | 3 | |
| Kheeto | Finding Flags | 2 | |
| eirene | Lemur XOR | 40 | |
| dansayag | Hash Stuffing | 50 |
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