| Date | User | Challenge | Score |
| DavidTruong | Elliptic Nodes | 150 | |
| constant | Great Snakes | 3 | |
| lechatcevin | Modular Inverting | 25 | |
| zhaopy | Crossed Wires | 100 | |
| kabanchik_07 | Factoring | 15 | |
| anush | Greatest Common Divisor | 15 | |
| lechatcevin | Modular Arithmetic 2 | 20 | |
| kabanchik_07 | RSA Signatures | 25 | |
| lechatcevin | Modular Arithmetic 1 | 20 | |
| constant | Finding Flags | 2 | |
| lechatcevin | Extended GCD | 20 | |
| grazkaa | Decrypting TLS 1.3 | 35 | |
| ming23452345 | Hex | 5 | |
| zhaopy | Everything is Big | 70 | |
| lechatcevin | Greatest Common Divisor | 15 | |
| Mai47 | ECB Oracle | 60 | |
| ming23452345 | ASCII | 5 | |
| angelizi | Bytes and Big Integers | 10 | |
| ming23452345 | Great Snakes | 3 | |
| AgileOrc | Moving Problems | 150 | |
| angelizi | Base64 | 10 | |
| ming23452345 | Finding Flags | 2 | |
| 3kn0ch | Extended GCD | 20 | |
| angelizi | Hex | 5 | |
| Anti_ | Point Addition | 30 | |
| 3kn0ch | Greatest Common Divisor | 15 | |
| grazkaa | Decrypting TLS 1.2 | 30 | |
| Anti_ | Point Negation | 10 | |
| Globules | Encoding Challenge | 40 | |
| AgileOrc | Elliptic Nodes | 150 | |
| ailun | Finding Flags | 2 | |
| Math | You either know, XOR you don't | 30 | |
| p0incare | Quadratic Residues | 25 | |
| Shin4017 | Lemur XOR | 40 | |
| grazkaa | Saying Hello | 20 | |
| grazkaa | TLS Handshake | 15 | |
| mukami | Parameter Injection | 60 | |
| mukami | Export-grade | 100 | |
| CYCcc | ECB CBC WTF | 55 | |
| Relic | Export-grade | 100 | |
| Relic | Parameter Injection | 60 | |
| Relic | Deriving Symmetric Keys | 40 | |
| Relic | Computing Shared Secrets | 30 | |
| Relic | Computing Public Values | 25 | |
| Relic | Generators of Groups | 20 | |
| Relic | Working with Fields | 10 | |
| Relic | Modulus Inutilis | 50 | |
| Relic | Salty | 20 | |
| Relic | Manyprime | 40 | |
| Relic | Monoprime | 30 |
You are now level Current level