CryptoHack VS Bitcoin Flip

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 / 10 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 / about 1 year ago

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

Seems like a solid strategy, give it a try on e.g., https://bitcoinflip.app [and learn that most such strategies will fail to give you any gains]. Source: over 1 year ago

Here is one of the Bitcoin trading simulators (just took the first google result): https://bitcoinflip.app/ try to time the market and observe that you might be lucky a couple of times until - well, until you aren't. :). Source: almost 2 years ago