| Date | User | Challenge | Score |
| Emil_Zawislak | No Way Back Home | 100 | |
| JinJess | ASCII | 5 | |
| laabedmedsami | Everything is Big | 70 | |
| yurec | XOR Starter | 10 | |
| yurec | Bytes and Big Integers | 10 | |
| maksushka | Logon Zero | 80 | |
| Beethoven3 | Marin's Secrets | 50 | |
| yurec | Base64 | 10 | |
| SuperCat | RSA Signatures | 25 | |
| Beethoven3 | Infinite Descent | 50 | |
| yurec | Hex | 5 | |
| yurec | ASCII | 5 | |
| yurec | Great Snakes | 3 | |
| yurec | Finding Flags | 2 | |
| adedhia | Quadratic Residues | 25 | |
| dmorera | Finding Flags | 2 | |
| brama | Bytes and Big Integers | 10 | |
| adedhia | Modular Inverting | 25 | |
| adedhia | Modular Arithmetic 2 | 20 | |
| Emil_Zawislak | Broken RSA | 100 | |
| xseris | No Random, No Bias | 120 | |
| D3c0d3R_1337 | Gaussian Reduction | 50 | |
| D3c0d3R_1337 | What's a Lattice? | 40 | |
| D3c0d3R_1337 | Gram Schmidt | 30 | |
| D3c0d3R_1337 | Size and Basis | 15 | |
| D3c0d3R_1337 | Vectors | 10 | |
| SuperCat | RSA Decryption | 20 | |
| D3c0d3R_1337 | ZKP Introduction | 5 | |
| no1inparticular | Hex | 5 | |
| no1inparticular | ASCII | 5 | |
| SuperCat | Private Keys | 20 | |
| SuperCat | Euler's Totient | 20 | |
| xseris | ProSign 3 | 100 | |
| SuperCat | Public Keys | 15 | |
| gideon333 | ASCII | 5 | |
| MateuszMianowski | Legendre Symbol | 35 | |
| SuperCat | Modular Exponentiation | 10 | |
| bluefin | Great Snakes | 3 | |
| B4DER | ASCII | 5 | |
| B4DER | Great Snakes | 3 | |
| B4DER | Finding Flags | 2 | |
| Kryra | Confusion through Substitution | 25 | |
| brama | Base64 | 10 | |
| JinJess | Great Snakes | 3 | |
| yoavb | JWT Secrets | 25 | |
| brama | Hex | 5 | |
| matiosos | Square Eyes | 35 | |
| yoavb | No Way JOSE | 20 | |
| matiosos | Monoprime | 30 | |
| Kryra | Round Keys | 20 |
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