| Date | User | Challenge | Score |
| Jacobw | Great Snakes | 3 | |
| KamalSaif | Modulus Inutilis | 50 | |
| KamalSaif | Salty | 20 | |
| KamalSaif | Manyprime | 40 | |
| KamalSaif | Monoprime | 30 | |
| KamalSaif | Factoring | 15 | |
| KamalSaif | RSA Signatures | 25 | |
| KamalSaif | RSA Decryption | 20 | |
| KamalSaif | Private Keys | 20 | |
| KamalSaif | Euler's Totient | 20 | |
| rsa0236821 | Pad Thai | 80 | |
| KamalSaif | Bean Counter | 60 | |
| Jacobw | You either know, XOR you don't | 30 | |
| Jacobw | Favourite byte | 20 | |
| Jacobw | XOR Properties | 15 | |
| Jacobw | XOR Starter | 10 | |
| Jacobw | Bytes and Big Integers | 10 | |
| Jacobw | Base64 | 10 | |
| Jacobw | Hex | 5 | |
| Victoire | Bytes and Big Integers | 10 | |
| Comsec | XOR Properties | 15 | |
| Jacobw | ASCII | 5 | |
| KamalSaif | Symmetry | 50 | |
| Jacobw | Finding Flags | 2 | |
| KamalSaif | Flipping Cookie | 60 | |
| KamalSaif | ECB CBC WTF | 55 | |
| nothen | Great Snakes | 3 | |
| ZenOren | Base64 | 10 | |
| Cjad3 | Base64 | 10 | |
| jaagup | Great Snakes | 3 | |
| Cerades | Dual Masters | 90 | |
| jaagup | Finding Flags | 2 | |
| paulihno15 | Modes of Operation Starter | 15 | |
| WertherSamsa | Deriving Symmetric Keys | 40 | |
| KamalSaif | ECB Oracle | 60 | |
| Cjad3 | Hex | 5 | |
| nothen | Finding Flags | 2 | |
| WertherSamsa | Computing Shared Secrets | 30 | |
| Cjad3 | ASCII | 5 | |
| WertherSamsa | Computing Public Values | 25 | |
| b1b00www | Montgomery's Ladder | 40 | |
| Cerades | Abelian SIDH | 90 | |
| Cerades | Better than Linear | 85 | |
| nisedo | Favourite byte | 20 | |
| hinemosu1415 | Crossed Wires | 100 | |
| tabitha1616 | Hex | 5 | |
| PeakyCyber | Bytes and Big Integers | 10 | |
| ItsRaindrop6527 | Hex | 5 | |
| n30nx | Exceptional Curves | 100 | |
| moussa_sane | Hex | 5 |
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