| Date | User | Challenge | Score |
| randomshuffle | Round Keys | 20 | |
| melissa_2025 | Keyed Permutations | 5 | |
| randomshuffle | Structure of AES | 15 | |
| bektish | Euler's Totient | 20 | |
| radare | Mixed Up | 120 | |
| randomshuffle | Resisting Bruteforce | 10 | |
| randomshuffle | Keyed Permutations | 5 | |
| randomshuffle | Network Attacks | 5 | |
| randomshuffle | Great Snakes | 3 | |
| bektish | Public Keys | 15 | |
| randomshuffle | Finding Flags | 2 | |
| valh4x | Authenticated Handshake | 40 | |
| Maizar | Decrypting TLS 1.3 | 35 | |
| mohamed_nada | Network Attacks | 5 | |
| cyef45 | Bytes and Big Integers | 10 | |
| mohamed_nada | Great Snakes | 3 | |
| mohamed_nada | Finding Flags | 2 | |
| catalin_munteanu | Successive Powers | 60 | |
| Maizar | Decrypting TLS 1.2 | 30 | |
| catalin_munteanu | Chinese Remainder Theorem | 40 | |
| catalin_munteanu | Modular Square Root | 35 | |
| loris_ascii | Bruce Schneier's Password: Part 2 | 250 | |
| squaggle | XOR Properties | 15 | |
| Csanchez30301 | Resisting Bruteforce | 10 | |
| bektish | Modular Exponentiation | 10 | |
| Maizar | Saying Hello | 20 | |
| catalin_munteanu | Legendre Symbol | 35 | |
| maxsu | Bytes and Big Integers | 10 | |
| Maizar | RSA or HMAC? Part 2 | 100 | |
| Maizar | TLS Handshake | 15 | |
| catalin_munteanu | Quadratic Residues | 25 | |
| Maizar | Sharks on the Wire | 10 | |
| kubakadlubowski | Working with Fields | 10 | |
| Maizar | Secure Protocols | 5 | |
| smhltrk | Finding Flags | 2 | |
| cyef45 | Base64 | 10 | |
| maxsu | Base64 | 10 | |
| catalin_munteanu | Paper Plane | 120 | |
| FdLSifu | Unencryptable | 125 | |
| FdLSifu | Roll your Own | 125 | |
| Maizar | Dual Masters | 90 | |
| Maizar | Abelian SIDH | 90 | |
| FdLSifu | Ellipse Curve Cryptography | 125 | |
| alper0xffff | Bytes and Big Integers | 10 | |
| Csanchez30301 | Keyed Permutations | 5 | |
| valh4x | TLS Handshake | 15 | |
| valh4x | Sharks on the Wire | 10 | |
| valh4x | Decrypting TLS 1.3 | 35 | |
| valh4x | Decrypting TLS 1.2 | 30 | |
| FdLSifu | Beatboxer | 150 |
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