| Date | User | Challenge | Score |
| TheMachiner | XOR Properties | 15 | |
| engman | Manyprime | 40 | |
| Pizz | Factoring | 15 | |
| akio | Finding Flags | 2 | |
| engman | Square Eyes | 35 | |
| loser | Base64 | 10 | |
| ciprianursulean | Private Keys | 20 | |
| engman | Monoprime | 30 | |
| loser | Hex | 5 | |
| Lilo | Hex | 5 | |
| julesfress | XOR Properties | 15 | |
| engman | Inferius Prime | 30 | |
| 0xAnwar | Confusion through Substitution | 25 | |
| jimarchel | You either know, XOR you don't | 30 | |
| loser | ASCII | 5 | |
| Lilo | ASCII | 5 | |
| signoworrior7888 | Finding Flags | 2 | |
| loser | Great Snakes | 3 | |
| Pizz | RSA Signatures | 25 | |
| engman | Factoring | 15 | |
| sammy177 | Computing Shared Secrets | 30 | |
| sammy177 | Computing Public Values | 25 | |
| BackDoorRat | Extended GCD | 20 | |
| Trapp | XOR Starter | 10 | |
| arp1t0x | Generators of Groups | 20 | |
| engman | RSA Signatures | 25 | |
| xfnx | ProSign 3 | 100 | |
| sammy177 | Generators of Groups | 20 | |
| Lilo | Great Snakes | 3 | |
| sammy177 | Working with Fields | 10 | |
| r34770c | You either know, XOR you don't | 30 | |
| xfnx | Curveball | 100 | |
| sammy177 | Modulus Inutilis | 50 | |
| loser | Finding Flags | 2 | |
| Lilo | Finding Flags | 2 | |
| xfnx | Smooth Criminal | 60 | |
| engman | RSA Decryption | 20 | |
| sammy177 | Salty | 20 | |
| engman | Private Keys | 20 | |
| sammy177 | Manyprime | 40 | |
| shokapikfort | Efficient Exchange | 50 | |
| BackDoorRat | Greatest Common Divisor | 15 | |
| xfnx | Montgomery's Ladder | 40 | |
| xfnx | Efficient Exchange | 50 | |
| Z5 | No Way JOSE | 20 | |
| xfnx | Curves and Logs | 40 | |
| xfnx | Scalar Multiplication | 35 | |
| xfnx | Point Addition | 30 | |
| xfnx | Point Negation | 10 | |
| xfnx | Background Reading | 5 |
You are now level Current level