| Date | User | Challenge | Score |
| spatino | Private Keys | 20 | |
| Anti_ | Honest Verifier Zero Knowledge | 30 | |
| qwra | ECB CBC WTF | 55 | |
| spatino | Euler's Totient | 20 | |
| 39ctf | Collider | 50 | |
| spatino | Public Keys | 15 | |
| Melolex | Favourite byte | 20 | |
| spatino | Modular Exponentiation | 10 | |
| LiYanShuang | Jack's Birthday Confusion | 30 | |
| LiYanShuang | Jack's Birthday Hash | 20 | |
| zprhvfbspunnhu | Deriving Symmetric Keys | 40 | |
| Anti_ | Special Soundness | 25 | |
| Melolex | XOR Properties | 15 | |
| zprhvfbspunnhu | Computing Shared Secrets | 30 | |
| Jessiinfinteloop | Bytes and Big Integers | 10 | |
| Nadarama | Bytes and Big Integers | 10 | |
| spatino | Modular Binomials | 80 | |
| gittyasois | Modular Arithmetic 1 | 20 | |
| zprhvfbspunnhu | Computing Public Values | 25 | |
| ltwind_v2 | Fischlin Transform | 180 | |
| ltwind_v2 | Fischlin's Transformation (CryptoHack) | 0 | |
| jh02 | Quadratic Residues | 25 | |
| gittyasois | Extended GCD | 20 | |
| handoko | Working with Fields | 10 | |
| zprhvfbspunnhu | Generators of Groups | 20 | |
| l0rdimperi0 | Modular Square Root | 35 | |
| zprhvfbspunnhu | Working with Fields | 10 | |
| Jessiinfinteloop | Base64 | 10 | |
| Ludo10 | You either know, XOR you don't | 30 | |
| Anti_ | Proofs of Knowledge | 20 | |
| Melolex | XOR Starter | 10 | |
| luwofi | Bounded Noise | 50 | |
| gittyasois | Greatest Common Divisor | 15 | |
| jh02 | Modular Inverting | 25 | |
| Jessiinfinteloop | Hex | 5 | |
| eunsoo | Bytes and Big Integers | 10 | |
| Melolex | Bytes and Big Integers | 10 | |
| TonyNo | Modulus Inutilis | 50 | |
| Jessiinfinteloop | ASCII | 5 | |
| libingqing | RSA Decryption | 20 | |
| libingqing | Euler's Totient | 20 | |
| Xela12 | Round Keys | 20 | |
| Jessiinfinteloop | Great Snakes | 3 | |
| TyLion | Point Negation | 10 | |
| libingqing | Jack's Birthday Hash | 20 | |
| Fridintana | Computing Public Values | 25 | |
| LiYanShuang | Curves and Logs | 40 | |
| Jessiinfinteloop | Finding Flags | 2 | |
| jh02 | Modular Arithmetic 2 | 20 | |
| handoko | Square Eyes | 35 |
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