| Date | User | Challenge | Score |
| 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 | |
| Nimadli | Generators of Groups | 20 | |
| roots | Great Snakes | 3 | |
| QWXXHSX123 | Montgomery Curves | 30 | |
| Nimadli | Working with Fields | 10 | |
| roots | Finding Flags | 2 | |
| Nimadli | Marin's Secrets | 50 | |
| hinemosu1415 | Everything is Big | 70 | |
| PeakyCyber | Base64 | 10 | |
| jscornelius | Diffusion through Permutation | 30 | |
| PeakyCyber | Hex | 5 | |
| rhaemarl | ASCII | 5 | |
| n30nx | Smooth Criminal | 60 | |
| qualorm | TLS Handshake | 15 | |
| qualorm | Sharks on the Wire | 10 | |
| ItsRaindrop6527 | ASCII | 5 | |
| Maryam99 | Modular Inverting | 25 | |
| ItsRaindrop6527 | Great Snakes | 3 | |
| KamalSaif | Passwords as Keys | 50 | |
| slug | The Matrix Reloaded | 100 | |
| KamalSaif | Modes of Operation Starter | 15 | |
| ItsRaindrop6527 | Finding Flags | 2 | |
| Maryam99 | Modular Arithmetic 2 | 20 | |
| KamalSaif | Bringing It All Together | 50 | |
| moussa_sane | ASCII | 5 | |
| CryptoKnowledge | Base64 | 10 | |
| hinemosu1415 | Modulus Inutilis | 50 | |
| rhaemarl | Great Snakes | 3 | |
| moussa_sane | Great Snakes | 3 | |
| hinemosu1415 | Salty | 20 | |
| jscornelius | Confusion through Substitution | 25 | |
| hinemosu1415 | Manyprime | 40 |
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