| Date | User | Challenge | Score |
| Enkripsi | Network Attacks | 5 | |
| SeifAhmed | Saying Hello | 20 | |
| SeifAhmed | TLS Handshake | 15 | |
| Arpan0x88 | Hex | 5 | |
| Kaguai | Keyed Permutations | 5 | |
| Enkripsi | Great Snakes | 3 | |
| SeifAhmed | Sharks on the Wire | 10 | |
| Arpan0x88 | ASCII | 5 | |
| Arpan0x88 | Network Attacks | 5 | |
| tackmin1204 | Sharks on the Wire | 10 | |
| Arpan0x88 | Great Snakes | 3 | |
| Arpan0x88 | Finding Flags | 2 | |
| OgaTatsumi | XOR Properties | 15 | |
| chiq | ECB Oracle | 60 | |
| DhamoZx | You either know, XOR you don't | 30 | |
| tackmin1204 | Secure Protocols | 5 | |
| unigifki | XOR Starter | 10 | |
| OgaTatsumi | XOR Starter | 10 | |
| unigifki | Bytes and Big Integers | 10 | |
| tackmin1204 | JSON in JSON | 40 | |
| snowman_am2 | Successive Powers | 60 | |
| hiziki | Modular Square Root | 35 | |
| unigifki | Base64 | 10 | |
| OgaTatsumi | Bytes and Big Integers | 10 | |
| unigifki | Hex | 5 | |
| papado | Hex | 5 | |
| chungungo | Hex | 5 | |
| Cosmos2911 | Keyed Permutations | 5 | |
| astroanax | SIDH Key Exchange | 80 | |
| unigifki | ASCII | 5 | |
| astroanax | Composite Isogenies | 60 | |
| astroanax | Three Isogenies | 35 | |
| astroanax | Two Isogenies | 30 | |
| astroanax | DLOG on the Surface | 40 | |
| astroanax | Montgomery Curves | 30 | |
| astroanax | Image Point Arithmetic | 30 | |
| astroanax | Where's the Supersingular Curve | 25 | |
| snowman_am2 | Chinese Remainder Theorem | 40 | |
| Cosmos2911 | Modular Inverting | 25 | |
| astroanax | The j-invariant | 20 | |
| Cosmos2911 | Modular Arithmetic 2 | 20 | |
| snowman_am2 | Modular Square Root | 35 | |
| astroanax | Introduction to Isogenies | 10 | |
| papado | ASCII | 5 | |
| astroanax | Nativity | 60 | |
| Cosmos2911 | Modular Arithmetic 1 | 20 | |
| minhack | Base64 | 10 | |
| Cosmos2911 | Extended GCD | 20 | |
| snowman_am2 | Legendre Symbol | 35 | |
| Cosmos2911 | Greatest Common Divisor | 15 |
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