| Date | User | Challenge | Score |
| Necrovelts | Finding Flags | 2 | |
| _jpeg_ | XOR Properties | 15 | |
| rikuland | Efficient Exchange | 50 | |
| khalid_salad | Everything is Big | 70 | |
| yangloveliu | Network Attacks | 5 | |
| 0x1sx4k | Point Negation | 10 | |
| anchi1228 | Modular Square Root | 35 | |
| r0ssett0 | You either know, XOR you don't | 30 | |
| SuiChan_wa | Hex | 5 | |
| Leela | Export-grade | 100 | |
| totol | Deriving Symmetric Keys | 40 | |
| 01180766 | TLS Handshake | 15 | |
| camale | Ron was Wrong, Whit is Right | 90 | |
| 01180766 | Sharks on the Wire | 10 | |
| SuiChan_wa | ASCII | 5 | |
| Siphedrion | Size and Basis | 15 | |
| Angelo | No Random, No Bias | 120 | |
| SuiChan_wa | Great Snakes | 3 | |
| 01180766 | Secure Protocols | 5 | |
| r0ssett0 | Favourite byte | 20 | |
| totol | Computing Shared Secrets | 30 | |
| totol | Computing Public Values | 25 | |
| sujin | WOTS Up 2 | 90 | |
| totol | Generators of Groups | 20 | |
| sujin | WOTS Up | 75 | |
| leakdome | Bytes and Big Integers | 10 | |
| sujin | Real Eisenstein | 150 | |
| assakaf | Modular Binomials | 80 | |
| smatenkilo | Working with Fields | 10 | |
| sujin | Unencryptable | 125 | |
| sujin | Roll your Own | 125 | |
| sujin | Ellipse Curve Cryptography | 125 | |
| 01180766 | JSON in JSON | 40 | |
| sujin | No Way Back Home | 100 | |
| sujin | Broken RSA | 100 | |
| sujin | Moving Problems | 150 | |
| totol | Working with Fields | 10 | |
| Kospatt | Manyprime | 40 | |
| sujin | No Random, No Bias | 120 | |
| joonas | Curveball | 100 | |
| sujin | ProSign 3 | 100 | |
| mmd1hp | Chinese Remainder Theorem | 40 | |
| othmane23601 | Finding Flags | 2 | |
| sujin | Curveball | 100 | |
| 01180766 | RSA or HMAC? | 35 | |
| Kospatt | Square Eyes | 35 | |
| r0ssett0 | XOR Properties | 15 | |
| 01180766 | JWT Secrets | 25 | |
| sujin | Smooth Criminal | 60 | |
| Kospatt | Monoprime | 30 |
You are now level Current level