| Date | User | Challenge | Score |
| crystaljade | Symmetry | 50 | |
| gnomeright | Privacy-Enhanced Mail? | 25 | |
| hakka52 | Salty | 20 | |
| ericoblaza | ECB CBC WTF | 55 | |
| ericoblaza | Passwords as Keys | 50 | |
| ericoblaza | Bringing It All Together | 50 | |
| crystaljade | Flipping Cookie | 60 | |
| hakka52 | Manyprime | 40 | |
| stacksparrow4 | Montgomery's Ladder | 40 | |
| ericoblaza | Diffusion through Permutation | 30 | |
| ericoblaza | Confusion through Substitution | 25 | |
| ericoblaza | Round Keys | 20 | |
| ericoblaza | Structure of AES | 15 | |
| karlacrypto | Manyprime | 40 | |
| entheo97 | Bytes and Big Integers | 10 | |
| ericoblaza | Resisting Bruteforce | 10 | |
| ericoblaza | Keyed Permutations | 5 | |
| hakka52 | Monoprime | 30 | |
| saba | Greatest Common Divisor | 15 | |
| hakka52 | Factoring | 15 | |
| CMO2 | Round Keys | 20 | |
| entheo97 | Base64 | 10 | |
| JetFighter0256 | XOR Properties | 15 | |
| hakka52 | RSA Signatures | 25 | |
| karlacrypto | Square Eyes | 35 | |
| JetFighter0256 | XOR Starter | 10 | |
| entheo97 | Hex | 5 | |
| CMO2 | Structure of AES | 15 | |
| entheo97 | ASCII | 5 | |
| karlacrypto | Monoprime | 30 | |
| useless | No Way JOSE | 20 | |
| Neutr0nys | No Leaks | 100 | |
| entheo97 | Network Attacks | 5 | |
| gorogoro | Collider | 50 | |
| entheo97 | Great Snakes | 3 | |
| Neutr0nys | Gotta Go Fast | 40 | |
| avm | Collider | 50 | |
| Lelle | Oracular Spectacular | 150 | |
| iceinmilk | Base64 | 10 | |
| tibowav_IA | A True Genus | 175 | |
| tibowav_IA | Meet me in the Claw | 120 | |
| tibowav_IA | Dual Masters | 90 | |
| Neutr0nys | Moving Problems | 150 | |
| tibowav_IA | Abelian SIDH | 90 | |
| tibowav_IA | Better than Linear | 85 | |
| tibowav_IA | André Encoding | 80 | |
| tibowav_IA | What's My Kernel | 70 | |
| tibowav_IA | CSIDH Key Exchange | 90 | |
| tibowav_IA | Twisted CSIDH Isogenies | 70 | |
| tibowav_IA | Secret Exponents | 60 |
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