CTF Challenges by NaruseJun

OUTLINE

We made some CTF challenges.
Hack to win Ethereum.

PRIZE

The only one who solved all challenges first win 1.145141919 ETH.

You gotta all of the FLAGs?
Then, you should be able to withdraw ETH from this contract.

The contract was created with this code.
Tools are available on here and here.

OBJECTIVE

Each challenge has a FLAG whose format is FLAG{*****}.
Your objective is to find them all.