| Date | User | Challenge | Score |
| creep3r | Extended GCD | 20 | |
| small_worm | Elliptic Nodes | 150 | |
| nprat | Round Keys | 20 | |
| linh99 | Jack's Birthday Hash | 20 | |
| danny05 | Efficient Exchange | 50 | |
| Sniperverses | Great Snakes | 3 | |
| linh99 | Confusion through Substitution | 25 | |
| pr4gm4 | Extended GCD | 20 | |
| gkyriopoulos | XOR Starter | 10 | |
| linh99 | Structure of AES | 15 | |
| danny05 | Curves and Logs | 40 | |
| sadmin | Image Point Arithmetic | 30 | |
| Amro_Hussein | Modular Inverting | 25 | |
| effiee | Hex | 5 | |
| Blixow | Static Client | 100 | |
| effiee | ASCII | 5 | |
| Loivan | Modular Binomials | 80 | |
| danny05 | Scalar Multiplication | 35 | |
| sadmin | Where's the Supersingular Curve | 25 | |
| kurumi_11 | Structure of AES | 15 | |
| effiee | Network Attacks | 5 | |
| Amro_Hussein | Modular Arithmetic 2 | 20 | |
| Ness2626 | Bean Counter | 60 | |
| sadmin | The j-invariant | 20 | |
| Vinjr | Let's Prove It Again | 175 | |
| Amro_Hussein | Modular Arithmetic 1 | 20 | |
| ziru | Resisting Bruteforce | 10 | |
| sadmin | Introduction to Isogenies | 10 | |
| Amro_Hussein | Extended GCD | 20 | |
| danny05 | Point Addition | 30 | |
| kurumi_11 | Resisting Bruteforce | 10 | |
| Shriya_Arun | ProSign 3 | 100 | |
| Z4ME | XOR Starter | 10 | |
| Blixow | Export-grade | 100 | |
| linh99 | ASCII | 5 | |
| gkyriopoulos | Bytes and Big Integers | 10 | |
| effiee | Great Snakes | 3 | |
| n40y | You either know, XOR you don't | 30 | |
| linh99 | Great Snakes | 3 | |
| kurumi_11 | Keyed Permutations | 5 | |
| effiee | Finding Flags | 2 | |
| linh99 | Finding Flags | 2 | |
| techie_hacker | Bytes and Big Integers | 10 | |
| Ameneko | Base64 | 10 | |
| x64 | Bruce Schneier's Password: Part 2 | 250 | |
| Luskynn | Finding Flags | 2 | |
| El0rix | Extended GCD | 20 | |
| Ameneko | Hex | 5 | |
| El0rix | Greatest Common Divisor | 15 | |
| gkyriopoulos | Base64 | 10 |
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