| Date | User | Challenge | Score |
| weerysss | Modular Inverting | 25 | |
| niksor | Deriving Symmetric Keys | 40 | |
| weerysss | Modular Arithmetic 2 | 20 | |
| weerysss | Modular Arithmetic 1 | 20 | |
| weerysss | Extended GCD | 20 | |
| weerysss | Greatest Common Divisor | 15 | |
| niksor | Computing Shared Secrets | 30 | |
| weerysss | You either know, XOR you don't | 30 | |
| weerysss | Favourite byte | 20 | |
| luminxyz | Efficient Exchange | 50 | |
| luminxyz | Curves and Logs | 40 | |
| weerysss | XOR Properties | 15 | |
| luminxyz | Scalar Multiplication | 35 | |
| weerysss | XOR Starter | 10 | |
| luminxyz | Point Addition | 30 | |
| weerysss | Bytes and Big Integers | 10 | |
| luminxyz | Point Negation | 10 | |
| niksor | Computing Public Values | 25 | |
| weerysss | Base64 | 10 | |
| luminxyz | Background Reading | 5 | |
| niksor | Generators of Groups | 20 | |
| weerysss | Hex | 5 | |
| luminxyz | Export-grade | 100 | |
| luminxyz | Parameter Injection | 60 | |
| weerysss | ASCII | 5 | |
| weerysss | Great Snakes | 3 | |
| weerysss | Finding Flags | 2 | |
| niksor | Working with Fields | 10 | |
| l3th4l | Successive Powers | 60 | |
| niksor | Modulus Inutilis | 50 | |
| niksor | Salty | 20 | |
| niksor | Manyprime | 40 | |
| niksor | Monoprime | 30 | |
| niksor | Factoring | 15 | |
| FlyingWhales | Bytes and Big Integers | 10 | |
| luminxyz | Deriving Symmetric Keys | 40 | |
| luminxyz | Computing Shared Secrets | 30 | |
| FlyingWhales | Base64 | 10 | |
| luminxyz | Computing Public Values | 25 | |
| luminxyz | Generators of Groups | 20 | |
| luminxyz | Working with Fields | 10 | |
| luminxyz | Modulus Inutilis | 50 | |
| luminxyz | Salty | 20 | |
| luminxyz | Manyprime | 40 | |
| luminxyz | Monoprime | 30 | |
| luminxyz | Factoring | 15 | |
| niksor | RSA Signatures | 25 | |
| luminxyz | RSA Signatures | 25 | |
| FlyingWhales | Hex | 5 | |
| luminxyz | RSA Decryption | 20 |
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