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Concept The emphasis of this level is on the concept of overflow and underflow which is a concern for contracts written in solidity version...
Concept The main concept being taught in this level is the difference between the use of tx.origin and msg.sender. Let’s try and understand this using...
Overview This level presents us with a coin flipping game. We need to maintain a winning streak of 10 by guessing the outcome of a coin flip. The...
The challenge asks us to claim the ownership of the contract and reduce its balance to 0. In this case, we have been provided with the contract...
ERC4626 is a new Ethereum standard for tokenized vaults. It provides a standard interface for developers to build yield-bearing vaults that represent...
Cryptocurrencies are not just about transferring digital value. They have evolved to encapsulate diverse digital assets, including collectibles,...
