| Date | User | Challenge | Score |
| CryptoAy | Jack's Birthday Hash | 20 | |
| sixsquareAI | Too Honest | 50 | |
| Gurda | Greatest Common Divisor | 15 | |
| 0hexor | ASCII | 5 | |
| grizzzer | Greatest Common Divisor | 15 | |
| grizzzer | You either know, XOR you don't | 30 | |
| 0hexor | Great Snakes | 3 | |
| lucy54 | Unencryptable | 125 | |
| Sigmaskat05 | RSA Signatures | 25 | |
| grizzzer | Favourite byte | 20 | |
| sixsquareAI | Non-Interactive | 35 | |
| grizzzer | XOR Properties | 15 | |
| Tsurayya | Base64 | 10 | |
| RIZKYFAJAR21 | Salty | 20 | |
| kamilsan | Digestive | 60 | |
| grizzzer | XOR Starter | 10 | |
| 0hexor | Finding Flags | 2 | |
| sixsquareAI | Honest Verifier Zero Knowledge | 30 | |
| RIZKYFAJAR21 | Square Eyes | 35 | |
| tfabjan | Round Keys | 20 | |
| RIZKYFAJAR21 | Monoprime | 30 | |
| RIZKYFAJAR21 | Inferius Prime | 30 | |
| shehab_sallam | You either know, XOR you don't | 30 | |
| tfabjan | Structure of AES | 15 | |
| sixsquareAI | Special Soundness | 25 | |
| Wgul | Bytes and Big Integers | 10 | |
| Tsurayya | Hex | 5 | |
| shehab_sallam | Favourite byte | 20 | |
| sniper_120 | You either know, XOR you don't | 30 | |
| kamilsan | Bean Counter | 60 | |
| sixsquareAI | Proofs of Knowledge | 20 | |
| TrouthieCryptHk | Legendre Symbol | 35 | |
| shehab_sallam | XOR Properties | 15 | |
| tfabjan | Resisting Bruteforce | 10 | |
| Tsurayya | ASCII | 5 | |
| nc4 | Greatest Common Divisor | 15 | |
| Namunamu | Introduction to Isogenies | 10 | |
| Alaa_04 | Base64 | 10 | |
| frostzz | Point Addition | 30 | |
| asfd98123rejk | Successive Powers | 60 | |
| frostzz | Point Negation | 10 | |
| kiranadea1701 | XOR Starter | 10 | |
| m4cr0 | Dancing Queen | 120 | |
| frostzz | Background Reading | 5 | |
| quadfire | Greatest Common Divisor | 15 | |
| Tsurayya | Network Attacks | 5 | |
| Giovanni2004 | Smooth Criminal | 60 | |
| Tsurayya | Great Snakes | 3 | |
| kninver | Finding Flags | 2 | |
| sixsquareAI | ZKP Introduction | 5 |
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