Lixen

joined 1 year ago
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vbuterin: Protocol and staking pool changes that could improve decentralization and reduce consensus overhead (notes.ethereum.org)
submitted 1 year ago by Lixen to c/[email protected]
0 comments fedilink
Powerball jackpot skyrockets to massive $1.04 billion after no winner Saturday in c/news
[–] Lixen 1 points 1 year ago (1 children)

How much if you don't win?

Now that Binance.US deposits are gone, are there any fee-less or low-fee ways of buying crypto currency in the US? in c/[email protected]
[–] Lixen 2 points 1 year ago

Stop looking for the next unheard of exchange to go bust, just use kraken or coinbase

Challenge: Can you identify what is wrong with this simple Solidity guessing game contract that makes it easy to cheat? in c/[email protected]
[–] Lixen 1 points 1 year ago

Yeah, this way you don't know what the number is until you actually figure out the vulnerability.

A warm welcome to all new members of c/crypto, the largest cryptocurrency community on the Fediverse! in c/[email protected]
[–] Lixen 2 points 1 year ago

Would be nice for this to pick up, it's a lot more in line with the spirit of bitcoin and cryptocurrencies than fully centralized platforms.

Challenge: Can you identify what is wrong with this simple Solidity guessing game contract that makes it easy to cheat? in c/[email protected]
[–] Lixen 1 points 1 year ago* (last edited 1 year ago) (2 children)

For those that want to have an actual go at it: when deploying it with hardhat for example, you can pass in Math.floor(Math.random()*1000) as the constructor argument in the deploy script, and then see if you can derive the number on the first guess.

Solidity Challenge 2: 🚢 Ahoy, developers! Welcome to the Unload Challenge! Calling Unload.cargo() will unveil the cargo. Can you tell which cargo will be unloaded, apples or bananas? in c/[email protected]
[–] Lixen 0 points 1 year ago* (last edited 1 year ago)

Nice challenge!

spoilerSeems like the last mentioned contract in the is Ship_A, Ship_B part determines which one super refers to when they have matching function names.