| Date | User | Challenge | Score |
| nooha | Adrien's Signs | 80 | |
| nooha | Chinese Remainder Theorem | 40 | |
| nooha | Modular Square Root | 35 | |
| tinytim | Let's Decrypt | 80 | |
| nooha | Legendre Symbol | 35 | |
| nooha | Quadratic Residues | 25 | |
| nooha | Modular Inverting | 25 | |
| aweg | Finding Flags | 2 | |
| martinorue | Finding Flags | 2 | |
| Klaudia | TLS Handshake | 15 | |
| mkrajevsky | Blinding Light | 120 | |
| MidoS3d | The Matrix Revolutions | 125 | |
| youngCrypto | Script Kiddie | 70 | |
| tinytim | Lo-Hi Card Game | 120 | |
| youngCrypto | Exceptional Curves | 100 | |
| YGUY | Extended GCD | 20 | |
| mkrajevsky | Signing Server | 60 | |
| hitmost | Parameter Injection | 60 | |
| joy0x01 | Modular Arithmetic 2 | 20 | |
| mkrajevsky | Ron was Wrong, Whit is Right | 90 | |
| gawol332 | Decrypting TLS 1.3 | 35 | |
| Kriz | Null or Never | 100 | |
| hitmost | Deriving Symmetric Keys | 40 | |
| hitmost | Computing Shared Secrets | 30 | |
| hitmost | Computing Public Values | 25 | |
| joy0x01 | Modular Arithmetic 1 | 20 | |
| hitmost | Generators of Groups | 20 | |
| mkrajevsky | Fast Primes | 75 | |
| hitmost | Working with Fields | 10 | |
| hitmost | Modulus Inutilis | 50 | |
| hitmost | Salty | 20 | |
| Piotr271 | Additive | 70 | |
| bac280 | Bean Counter | 60 | |
| Piotr271 | Parameter Injection | 60 | |
| hitmost | Manyprime | 40 | |
| DhruvAgrawal | Modular Arithmetic 2 | 20 | |
| DhruvAgrawal | Modular Arithmetic 1 | 20 | |
| Piotr271 | Deriving Symmetric Keys | 40 | |
| merinsr21 | ASCII | 5 | |
| DhruvAgrawal | Greatest Common Divisor | 15 | |
| patryk | Mixed Up | 120 | |
| gawol332 | Decrypting TLS 1.2 | 30 | |
| space_whale_1 | ASCII | 5 | |
| hitmost | Monoprime | 30 | |
| mkrajevsky | Marin's Secrets | 50 | |
| hitmost | Factoring | 15 | |
| Piotr271 | Computing Shared Secrets | 30 | |
| gwiazdas | WOTS Up | 75 | |
| DhruvAgrawal | Favourite byte | 20 | |
| GregIT | Greatest Common Divisor | 15 |
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