CryptoHack VS Lobsters

Another similar website for people who like this: https://cryptohack.org/ It is like cryptopals, but in a Catch The Flag format. Many challenges on cryptopals do exist on CryptoHack too, but CryptoHack also have some even harder challenges to solve. - Source: Hacker News / 11 months ago

The point is, you're working with a 200-year old manual cipher method. The field of cryptography has thoroughly perforated it and moved past manual ciphers and machine ciphers and onto mathematical ciphers whose strength is in functions whose inverses are astronomically more difficult to compute than the functions themselves, and key generation schemes that ensure that keys are never repeated no matter how many... Source: 12 months ago

Cryptohack.org Platform for learning modern cryptography (Cryptohack). Source: about 1 year ago

CryptoHack : Learn cryptography through challenges and tutorials. Has a leaderboard and new challenges are added every few months. - Source: dev.to / over 1 year ago

You should try this https://cryptohack.org/. Source: over 1 year ago

Https://lobste.rs/ is an alternative that's more focused on tech news. - Source: Hacker News / 24 days ago

Oh also, https://lobste.rs and filter by the `distributed` tag. - Source: Hacker News / about 1 month ago

"I actually wish we had a hacker community like this without the business/startup side at all" Sounds like you want https://lobste.rs. - Source: Hacker News / about 2 months ago

Reason: Ignored mod warning to stop self-promo for a while. Respectively: https://lobste.rs/domains/rednafi.com https://lobste.rs/~rednafi/stories. - Source: Hacker News / about 2 months ago

Well, there's https://lobste.rs/, or we could all go back to slashdot I guess. - Source: Hacker News / 2 months ago