| Date | User | Challenge | Score |
| emanu | Salty | 20 | |
| Emris | Hex | 5 | |
| sasytaco802 | Ellipse Curve Cryptography | 125 | |
| emanu | Manyprime | 40 | |
| GentleCat | Great Snakes | 3 | |
| Nifty | ASCII | 5 | |
| grizzzer | Size and Basis | 15 | |
| emanu | Square Eyes | 35 | |
| yr81 | Successive Powers | 60 | |
| emanu | Monoprime | 30 | |
| grizzzer | Vectors | 10 | |
| emanu | Inferius Prime | 30 | |
| Nephesto | Hex | 5 | |
| Nephesto | ASCII | 5 | |
| KK1994 | Extended GCD | 20 | |
| DaBot | JWT Secrets | 25 | |
| DDDDmmmm | Point Negation | 10 | |
| xcv1 | XOR Starter | 10 | |
| d4sh0326 | Modular Arithmetic 2 | 20 | |
| khxld | Modular Arithmetic 2 | 20 | |
| GentleCat | Finding Flags | 2 | |
| DDDDmmmm | LWE Background | 5 | |
| HANNN | Network Attacks | 5 | |
| DDDDmmmm | Gram Schmidt | 30 | |
| DDDDmmmm | Size and Basis | 15 | |
| NioZow | Bespoke Padding | 100 | |
| DDDDmmmm | Vectors | 10 | |
| Nephesto | Great Snakes | 3 | |
| grizzzer | Authenticated Handshake | 40 | |
| HANNN | Privacy-Enhanced Mail? | 25 | |
| ghostfile | XOR Starter | 10 | |
| Nephesto | Finding Flags | 2 | |
| Emris | ASCII | 5 | |
| d4sh0326 | Modular Arithmetic 1 | 20 | |
| DDDDmmmm | Factoring | 15 | |
| regalast | Dancing Queen | 120 | |
| grizzzer | Decrypting TLS 1.3 | 35 | |
| Siddhartcs | ASCII | 5 | |
| crypto_saka_hack | Bean Counter | 60 | |
| duxy | Legendre Symbol | 35 | |
| regalast | Triple DES | 60 | |
| regalast | Stream of Consciousness | 80 | |
| Siddhartcs | Great Snakes | 3 | |
| d4sh0326 | Extended GCD | 20 | |
| rux1 | Greatest Common Divisor | 15 | |
| grizzzer | Decrypting TLS 1.2 | 30 | |
| Siddhartcs | Finding Flags | 2 | |
| DDDDmmmm | Token Appreciation | 5 | |
| HANNN | ZKP Introduction | 5 | |
| Rongmenglu | The j-invariant | 20 |
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