| Date | User | Challenge | Score |
| 26521111001 | Chaos (Zh3r0 CTF V2) | 0 | |
| 26521111001 | Sign in Please (HKCERT CTF) | 0 | |
| 26521111001 | Calm Down (HKCERT CTF) | 0 | |
| 26521111001 | 2020 (TETCTF) | 0 | |
| 26521111001 | Sratslla SEA (HKCERT CTF) | 0 | |
| 26521111001 | A Joke Cipher (HKCERT CTF) | 0 | |
| 26521111001 | Maybe Someday (GoogleCTF) | 0 | |
| 26521111001 | Lack of Entropy (Firebird Internal CTF) | 0 | |
| 26521111001 | Key recovery (DCTF) | 0 | |
| 26521111001 | FaILProof Revenge (SekaiCTF) | 0 | |
| 26521111001 | Dark Arts (CODEGATE CTF) | 0 | |
| 26521111001 | FaILProof (SekaiCTF) | 0 | |
| Livotes | Base64 | 10 | |
| 26521111001 | C0ll1d3r (Firebird Internal CTF) | 0 | |
| 26521111001 | Authenticator (Firebird Internal CTF) | 0 | |
| Livotes | Hex | 5 | |
| 26521111001 | What a Curve! (Breizh CTF) | 0 | |
| pattern_hunter | Greatest Common Divisor | 15 | |
| cavazinf | Dual Masters | 90 | |
| Livotes | ASCII | 5 | |
| pattern_hunter | You either know, XOR you don't | 30 | |
| zabieru | Efficient Exchange | 50 | |
| pattern_hunter | Favourite byte | 20 | |
| cavazinf | Abelian SIDH | 90 | |
| 26521111001 | Leet Universe (ImaginaryCTF (Daily)) | 0 | |
| fenrosys | Marin's Secrets | 50 | |
| fenrosys | Infinite Descent | 50 | |
| Beethoven3 | Noise Free | 40 | |
| 26521111001 | Signature (TSJ CTF) | 0 | |
| pattern_hunter | XOR Properties | 15 | |
| Livotes | Great Snakes | 3 | |
| fenrosys | Endless Emails | 150 | |
| cavazinf | Better than Linear | 85 | |
| 26521111001 | SpongeBob SquarePants / Battle for Bikini Bottom - Rehydrated (HTB Cyber Apocalypse) | 0 | |
| fenrosys | Everything is Still Big | 100 | |
| Livotes | Finding Flags | 2 | |
| fenrosys | Crossed Wires | 100 | |
| fenrosys | Everything is Big | 70 | |
| Gauss_Reda | Hex | 5 | |
| 26521111001 | Substitution Cipher III (DownUnderCTF) | 0 | |
| fenrosys | Modulus Inutilis | 50 | |
| 26521111001 | 1337crypt (DownUnderCTF) | 0 | |
| fenrosys | Salty | 20 | |
| zabieru | Curves and Logs | 40 | |
| 26521111001 | Unimplemented (TETCTF) | 0 | |
| 26521111001 | Unevaluated (TETCTF) | 0 | |
| Gauss_Reda | ASCII | 5 | |
| 26521111001 | 1n_jection (Zh3r0 CTF V2) | 0 | |
| 26521111001 | 1337crypt v2 (DownUnderCTF) | 0 | |
| 26521111001 | Functional (ICC Athens) | 0 |
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