| Date | User | Challenge | Score |
| VS_G | Legendre Symbol | 35 | |
| xnhvhv | Private Keys | 20 | |
| xnhvhv | Euler's Totient | 20 | |
| Kinec2222 | Hex | 5 | |
| Cerades | Noise Free | 40 | |
| wyaptw | Curves and Logs | 40 | |
| xnhvhv | Public Keys | 15 | |
| promatlas | Great Snakes | 3 | |
| P0WER | Extended GCD | 20 | |
| xnhvhv | Modular Exponentiation | 10 | |
| Cerades | LWE Low Bits Message | 20 | |
| xnhvhv | Transparency | 50 | |
| Cerades | LWE High Bits Message | 15 | |
| DaanV2 | Structure of AES | 15 | |
| promatlas | Finding Flags | 2 | |
| suman2280 | ASCII | 5 | |
| Cerades | Backpack Cryptography | 120 | |
| Kinec2222 | ASCII | 5 | |
| zoqueton99 | Greatest Common Divisor | 15 | |
| suman2280 | Great Snakes | 3 | |
| suman2280 | Finding Flags | 2 | |
| Cerades | Find the Lattice | 100 | |
| DBFTBS | RSA Signatures | 25 | |
| Conquer | ASCII | 5 | |
| Cerades | Megalomaniac 3 | 120 | |
| wyaptw | Scalar Multiplication | 35 | |
| k1rby | Legendre Symbol | 35 | |
| wyaptw | Point Addition | 30 | |
| wyaptw | Point Negation | 10 | |
| Kinec2222 | Great Snakes | 3 | |
| Lukas99 | Greatest Common Divisor | 15 | |
| uirou | Hex | 5 | |
| Kinec2222 | Finding Flags | 2 | |
| Chandanahy | Modular Arithmetic 1 | 20 | |
| zoqueton99 | You either know, XOR you don't | 30 | |
| wyaptw | Background Reading | 5 | |
| uirou | ASCII | 5 | |
| blacktea | Extended GCD | 20 | |
| Cerades | Megalomaniac 2 | 120 | |
| Chandanahy | Extended GCD | 20 | |
| wyaptw | Deriving Symmetric Keys | 40 | |
| wyaptw | Computing Shared Secrets | 30 | |
| uirou | Great Snakes | 3 | |
| tanis3050 | Greatest Common Divisor | 15 | |
| wyaptw | Computing Public Values | 25 | |
| xnhvhv | SSH Keys | 35 | |
| gyul_ | Modular Square Root | 35 | |
| jowj | You either know, XOR you don't | 30 | |
| uirou | Finding Flags | 2 | |
| DBFTBS | RSA Decryption | 20 |
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