| Date | User | Challenge | Score |
| k1ll3r_t01 | Real Eisenstein | 150 | |
| senku5 | RSA Backdoor Viability | 175 | |
| RobertAve | ECB Oracle | 60 | |
| RobertAve | Passwords as Keys | 50 | |
| senku5 | Ron was Wrong, Whit is Right | 90 | |
| RobertAve | Modes of Operation Starter | 15 | |
| RobertAve | Bringing It All Together | 50 | |
| RobertAve | Diffusion through Permutation | 30 | |
| RobertAve | Confusion through Substitution | 25 | |
| cyfuu | Hash Stuffing | 50 | |
| senku5 | Fast Primes | 75 | |
| RobertAve | Round Keys | 20 | |
| senku5 | Marin's Secrets | 50 | |
| cyfuu | Collider | 50 | |
| cyfuu | Jack's Birthday Confusion | 30 | |
| RobertAve | Structure of AES | 15 | |
| cyfuu | Jack's Birthday Hash | 20 | |
| RobertAve | Resisting Bruteforce | 10 | |
| RobertAve | Keyed Permutations | 5 | |
| senku5 | Infinite Descent | 50 | |
| cyfuu | Let's Decrypt Again | 175 | |
| RobertAve | Secure Protocols | 5 | |
| senku5 | Endless Emails | 150 | |
| cyfuu | Vote for Pedro | 150 | |
| CryptoHacker267 | Hex | 5 | |
| RobertAve | RSA or HMAC? Part 2 | 100 | |
| cyfuu | Blinding Light | 120 | |
| senku5 | Everything is Still Big | 100 | |
| RobertAve | JSON in JSON | 40 | |
| senku5 | Crossed Wires | 100 | |
| RobertAve | RSA or HMAC? | 35 | |
| cyfuu | Let's Decrypt | 80 | |
| senku5 | Everything is Big | 70 | |
| RobertAve | JWT Secrets | 25 | |
| cyfuu | Signing Server | 60 | |
| senku5 | Modulus Inutilis | 50 | |
| senku5 | Salty | 20 | |
| cyfuu | Null or Never | 100 | |
| LemonHeart | Manyprime | 40 | |
| RobertAve | No Way JOSE | 20 | |
| senku5 | Manyprime | 40 | |
| cyfuu | Bespoke Padding | 100 | |
| LemonHeart | Square Eyes | 35 | |
| RobertAve | JWT Sessions | 10 | |
| senku5 | Square Eyes | 35 | |
| LemonHeart | Monoprime | 30 | |
| RobertAve | Token Appreciation | 5 | |
| cyfuu | RSA Backdoor Viability | 175 | |
| senku5 | Monoprime | 30 | |
| LemonHeart | Inferius Prime | 30 |
You are now level Current level