| Date | User | Challenge | Score |
| elaf | Modular Square Root | 35 | |
| elaf | Legendre Symbol | 35 | |
| ahm0dg | Quadratic Residues | 25 | |
| elaf | Quadratic Residues | 25 | |
| elaf | Modular Inverting | 25 | |
| spatino | Additive | 70 | |
| elaf | Modular Arithmetic 2 | 20 | |
| syeyoung | Efficient Exchange | 50 | |
| z4r10 | Modular Square Root | 35 | |
| syeyoung | Curves and Logs | 40 | |
| Kanad3 | Passwords as Keys | 50 | |
| Bunnyboy | Favourite byte | 20 | |
| Koalko | Modes of Operation Starter | 15 | |
| syeyoung | Scalar Multiplication | 35 | |
| yuzu | You either know, XOR you don't | 30 | |
| syeyoung | Point Addition | 30 | |
| spatino | Export-grade | 100 | |
| ddiibra69 | Confusion through Substitution | 25 | |
| syeyoung | Point Negation | 10 | |
| Guzlyach | Modular Arithmetic 1 | 20 | |
| elaf | Modular Arithmetic 1 | 20 | |
| lgrr | Base64 | 10 | |
| Bunnyboy | XOR Properties | 15 | |
| Stevko | XOR Starter | 10 | |
| DeViator | Deriving Symmetric Keys | 40 | |
| elaf | Extended GCD | 20 | |
| elaf | Greatest Common Divisor | 15 | |
| lgrr | Hex | 5 | |
| Stevko | Bytes and Big Integers | 10 | |
| radare | U-turn (Breizh CTF) | 0 | |
| Stevko | Base64 | 10 | |
| tyluudinh | Three Isogenies | 35 | |
| tyluudinh | Two Isogenies | 30 | |
| tyluudinh | Twisted CSIDH Isogenies | 70 | |
| tyluudinh | Secret Exponents | 60 | |
| tyluudinh | Prime Power Isogenies | 50 | |
| lgrr | ASCII | 5 | |
| tyluudinh | Special Isogenies | 30 | |
| DeViator | Computing Shared Secrets | 30 | |
| tyluudinh | Where's the Supersingular Curve | 25 | |
| ddiibra69 | SSH Keys | 35 | |
| tyluudinh | Montgomery Curves | 30 | |
| lgrr | Great Snakes | 3 | |
| ddiibra69 | CERTainly not | 30 | |
| tyluudinh | Image Point Arithmetic | 30 | |
| tyluudinh | The j-invariant | 20 | |
| tyluudinh | Introduction to Isogenies | 10 | |
| elaf | You either know, XOR you don't | 30 | |
| DeViator | Computing Public Values | 25 | |
| tyluudinh | The Matrix | 75 |
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