| Date | User | Challenge | Score |
| desertsailor | Public Keys | 15 | |
| cyberlion | Base64 | 10 | |
| phonix0123456789 | XOR Starter | 10 | |
| d3b1t | Modular Arithmetic 2 | 20 | |
| CHristmasRas | Modular Arithmetic 2 | 20 | |
| EthanIn | Extended GCD | 20 | |
| Xjuliax | Favourite byte | 20 | |
| _reallynavneet | Great Snakes | 3 | |
| kienkDSA | Great Snakes | 3 | |
| EthanIn | Greatest Common Divisor | 15 | |
| _reallynavneet | Finding Flags | 2 | |
| remtam | XOR Starter | 10 | |
| nurq | RSA Decryption | 20 | |
| nurq | Private Keys | 20 | |
| bubz683 | Hex | 5 | |
| N26DCAE022 | ASCII | 5 | |
| d3b1t | Modular Arithmetic 1 | 20 | |
| CHristmasRas | Modular Arithmetic 1 | 20 | |
| Mikulas | No Leaks | 100 | |
| Xjuliax | XOR Properties | 15 | |
| N26DCAE022 | Great Snakes | 3 | |
| N26DCAE022 | Finding Flags | 2 | |
| phonix0123456789 | Bytes and Big Integers | 10 | |
| d3b1t | Greatest Common Divisor | 15 | |
| RootDefenderX | Hex | 5 | |
| RootDefenderX | ASCII | 5 | |
| RootDefenderX | Great Snakes | 3 | |
| RootDefenderX | Finding Flags | 2 | |
| phonix0123456789 | Base64 | 10 | |
| Mikulas | Gotta Go Fast | 40 | |
| Yicarmueer | Modular Arithmetic 1 | 20 | |
| Xjuliax | XOR Starter | 10 | |
| remtam | Bytes and Big Integers | 10 | |
| nullbyte0x00 | Structure of AES | 15 | |
| CHristmasRas | Greatest Common Divisor | 15 | |
| 84rNy | JWT Secrets | 25 | |
| yona_txt | You either know, XOR you don't | 30 | |
| Yicarmueer | Extended GCD | 20 | |
| 84rNy | No Way JOSE | 20 | |
| Quoc130370 | Broken RSA | 100 | |
| demr | Gaussian Reduction | 50 | |
| 84rNy | JWT Sessions | 10 | |
| 84rNy | Token Appreciation | 5 | |
| rjakeeer | Modular Inverting | 25 | |
| Yicarmueer | Greatest Common Divisor | 15 | |
| kallenosf | Greatest Common Divisor | 15 | |
| z0mb13L0v3r | RSA Decryption | 20 | |
| Voxa | Scalar Multiplication | 35 | |
| Xelder | Adrien's Signs | 80 | |
| chocopoco | Private Keys | 20 |
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