| Date | User | Challenge | Score |
| adil_j | Network Attacks | 5 | |
| hummuskj | Base64 | 10 | |
| spartan8806 | Curveball | 100 | |
| spartan8806 | ProSign 3 | 100 | |
| beepboopx | Diffusion through Permutation | 30 | |
| GoldMaximus | Factoring | 15 | |
| Pipo29 | Point Negation | 10 | |
| hummuskj | Hex | 5 | |
| hummuskj | ASCII | 5 | |
| spartan8806 | No Random, No Bias | 120 | |
| GoldMaximus | RSA Signatures | 25 | |
| Pipo29 | Background Reading | 5 | |
| GoldMaximus | RSA Decryption | 20 | |
| Dr4g0nFly | Finding Flags | 2 | |
| tengZF | Modular Inverting | 25 | |
| spartan8806 | Edwards Goes Degenerate | 100 | |
| tengZF | Modular Arithmetic 2 | 20 | |
| hummuskj | Great Snakes | 3 | |
| tengZF | Modular Arithmetic 1 | 20 | |
| tengZF | Extended GCD | 20 | |
| Pipo29 | Export-grade | 100 | |
| Pipo29 | Parameter Injection | 60 | |
| spartan8806 | Montgomery's Ladder | 40 | |
| Quiescent | Hex | 5 | |
| GoldMaximus | Private Keys | 20 | |
| spartan8806 | Double and Broken | 50 | |
| GoldMaximus | Euler's Totient | 20 | |
| Aizen14 | Point Negation | 10 | |
| GoldMaximus | Public Keys | 15 | |
| tengZF | Greatest Common Divisor | 15 | |
| Quiescent | ASCII | 5 | |
| GoldMaximus | Modular Exponentiation | 10 | |
| Quiescent | Great Snakes | 3 | |
| tengZF | Legendre Symbol | 35 | |
| NioZow | Mister Saplins The Prover | 125 | |
| MrPurple | Bytes and Big Integers | 10 | |
| GrayBoy | Greatest Common Divisor | 15 | |
| tengZF | Quadratic Residues | 25 | |
| Quiescent | Finding Flags | 2 | |
| GrayBoy | You either know, XOR you don't | 30 | |
| Pipo29 | Deriving Symmetric Keys | 40 | |
| Pipo29 | Computing Shared Secrets | 30 | |
| lemful | ECB CBC WTF | 55 | |
| GoldMaximus | Bean Counter | 60 | |
| SSKMF | Successive Powers | 60 | |
| GoldMaximus | Symmetry | 50 | |
| GoldMaximus | Flipping Cookie | 60 | |
| GoldMaximus | ECB CBC WTF | 55 | |
| Pipo29 | Computing Public Values | 25 | |
| SSKMF | Lemur XOR | 40 |
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