| Date | User | Challenge | Score |
| hippo333 | Manyprime | 40 | |
| znur | Exceptional Curves | 100 | |
| hmd0102 | Static Client 2 | 120 | |
| junyouzin4209 | ed25519 magic (ICC Athens) | 0 | |
| hippo333 | Monoprime | 30 | |
| Merci_b | Generators of Groups | 20 | |
| junyouzin4209 | diffecient (SekaiCTF) | 0 | |
| hmd0102 | Additive | 70 | |
| th3boss | Modular Square Root | 35 | |
| th4ont | Modes of Operation Starter | 15 | |
| th3boss | Legendre Symbol | 35 | |
| NuerisCore | Great Snakes | 3 | |
| NuerisCore | Finding Flags | 2 | |
| Merci_b | Working with Fields | 10 | |
| kurgan | XOR Starter | 10 | |
| hmd0102 | Signing Server | 60 | |
| trackmania_rules | Great Snakes | 3 | |
| trackmania_rules | Finding Flags | 2 | |
| kurgan | Bytes and Big Integers | 10 | |
| hmd0102 | Endless Emails | 150 | |
| th4ont | Bringing It All Together | 50 | |
| Merci_b | Passwords as Keys | 50 | |
| step_jo | Network Attacks | 5 | |
| idoHerojn | Greatest Common Divisor | 15 | |
| datasquirel | ECB Oracle | 60 | |
| kurgan | Base64 | 10 | |
| datasquirel | Passwords as Keys | 50 | |
| kada_anes | Quadratic Residues | 25 | |
| erR0rr0Rre | Modes of Operation Starter | 15 | |
| grazkaa | Signing Server | 60 | |
| kurgan | Hex | 5 | |
| SignalNet4 | Bytes and Big Integers | 10 | |
| kurgan | ASCII | 5 | |
| stef_crypt | You either know, XOR you don't | 30 | |
| kurgan | Great Snakes | 3 | |
| kurgan | Finding Flags | 2 | |
| cbr4l0k | Deriving Symmetric Keys | 40 | |
| Merci_b | Modes of Operation Starter | 15 | |
| diantun00 | Quadratic Residues | 25 | |
| erR0rr0Rre | Bringing It All Together | 50 | |
| datasquirel | Modes of Operation Starter | 15 | |
| erR0rr0Rre | Diffusion through Permutation | 30 | |
| cbr4l0k | Computing Shared Secrets | 30 | |
| erR0rr0Rre | Modular Binomials | 80 | |
| hmd0102 | RSA Backdoor Viability | 175 | |
| erR0rr0Rre | Modular Square Root | 35 | |
| srza | Great Snakes | 3 | |
| hmd0102 | Null or Never | 100 | |
| th3boss | Quadratic Residues | 25 | |
| stef_crypt | Favourite byte | 20 |
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