| Date | User | Challenge | Score |
| odysseus444 | Quadratic Residues | 25 | |
| Ahmed_Ali | Let's Decrypt Again | 175 | |
| YoussefSah05 | Favourite byte | 20 | |
| Ahmed_Ali | Vote for Pedro | 150 | |
| Ahmed_Ali | Blinding Light | 120 | |
| Ahmed_Ali | Let's Decrypt | 80 | |
| Ahmed_Ali | Signing Server | 60 | |
| hungtrab | LFSR Destroyer | 250 | |
| gulya098123 | XOR Starter | 10 | |
| duermes | Hex | 5 | |
| swalgren | You either know, XOR you don't | 30 | |
| gulya098123 | Bytes and Big Integers | 10 | |
| swalgren | Favourite byte | 20 | |
| alshami | Crossed Wires | 100 | |
| alshami | Let's Decrypt Again | 175 | |
| alshami | Vote for Pedro | 150 | |
| alshami | Blinding Light | 120 | |
| swalgren | XOR Properties | 15 | |
| alshami | Let's Decrypt | 80 | |
| alshami | Signing Server | 60 | |
| alshami | Null or Never | 100 | |
| alshami | Bespoke Padding | 100 | |
| alshami | RSA Backdoor Viability | 175 | |
| ixerphic | Greatest Common Divisor | 15 | |
| alshami | Ron was Wrong, Whit is Right | 90 | |
| gulya098123 | Base64 | 10 | |
| burmaLEI | Extended GCD | 20 | |
| gulya098123 | Hex | 5 | |
| alshami | Fast Primes | 75 | |
| Amro_Hussein | Marin's Secrets | 50 | |
| alshami | Marin's Secrets | 50 | |
| alshami | Infinite Descent | 50 | |
| NulSparrow | XOR Properties | 15 | |
| alshami | Endless Emails | 150 | |
| gulya098123 | ASCII | 5 | |
| alshami | Everything is Big | 70 | |
| alshami | Everything is Still Big | 100 | |
| alshami | Modulus Inutilis | 50 | |
| alshami | Salty | 20 | |
| CapoCrpyy | Resisting Bruteforce | 10 | |
| alshami | Manyprime | 40 | |
| alshami | Square Eyes | 35 | |
| alshami | Monoprime | 30 | |
| alshami | Inferius Prime | 30 | |
| gulya098123 | Great Snakes | 3 | |
| alshami | Factoring | 15 | |
| alshami | RSA Signatures | 25 | |
| itg6j | Marin's Secrets | 50 | |
| alshami | RSA Decryption | 20 | |
| itg6j | Infinite Descent | 50 |
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