| Date | User | Challenge | Score |
| MUSFIFA | Great Snakes | 3 | |
| ch1sk3ly | JWT Sessions | 10 | |
| ch1sk3ly | Token Appreciation | 5 | |
| Aloutrance | Symmetry | 50 | |
| madelino | Broken RSA | 100 | |
| MUSFIFA | Finding Flags | 2 | |
| andutu0 | ProSign 3 | 100 | |
| Fears0meKitty | XOR Properties | 15 | |
| cryptohack720 | XOR Starter | 10 | |
| ktsoupos | Greatest Common Divisor | 15 | |
| madelino | Successive Powers | 60 | |
| _yahia | XOR Starter | 10 | |
| cryptohack720 | Bytes and Big Integers | 10 | |
| cryptohack720 | Base64 | 10 | |
| _yahia | Bytes and Big Integers | 10 | |
| Quitian90 | Great Snakes | 3 | |
| cryptohack720 | Hex | 5 | |
| cryptohack720 | ASCII | 5 | |
| cryptohack720 | Great Snakes | 3 | |
| cryptohack720 | Finding Flags | 2 | |
| abera | You either know, XOR you don't | 30 | |
| A2RU | Fischlin's Transformation (CryptoHack) | 0 | |
| A2RU | Ticket Maestro (CryptoHack) | 0 | |
| z8v5nr4d | Triple DES | 60 | |
| UIT | Export-grade | 100 | |
| Sydney3 | Base64 | 10 | |
| A2RU | Hamiltonicity (CryptoHack) | 0 | |
| A2RU | OR Proof (CryptoHack) | 0 | |
| A2RU | Hamiltonicity 2 | 175 | |
| A2RU | Hamiltonicity 2 (CryptoHack) | 0 | |
| idokeren | Square Eyes | 35 | |
| n0ah | The Matrix | 75 | |
| max10afternoon | Deriving Symmetric Keys | 40 | |
| OKlllng | Encoding Challenge | 40 | |
| idokeren | Monoprime | 30 | |
| aaronnofrail | Favourite byte | 20 | |
| max10afternoon | Computing Shared Secrets | 30 | |
| ayhaM145 | Greatest Common Divisor | 15 | |
| n0ah | Script Kiddie | 70 | |
| max10afternoon | Computing Public Values | 25 | |
| bob03 | Hex | 5 | |
| max10afternoon | Generators of Groups | 20 | |
| max10afternoon | Working with Fields | 10 | |
| max10afternoon | Modulus Inutilis | 50 | |
| bob03 | ASCII | 5 | |
| max10afternoon | Salty | 20 | |
| cryptohlithia | Transparency | 50 | |
| black_caty | Bytes and Big Integers | 10 | |
| Dgcg | Null or Never | 100 | |
| Sharmila_Alam | Hex | 5 |
You are now level Current level