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Gamestop NFT Website Discovered With Hidden Easter Egg Retro Game

Following the infamous Wallstreetbets story a few months ago, the company Gamestop is doing much better than it did a year ago. Now a new website called nft.gamestop.com indicates that the firm is dipping its feet into blockchain technology via non-fungible tokens built with Ethereum. ‘Power to the Players’ The publicly listed company Gamestop (Nasdaq: GME) has seemingly launched a new website dedicated to non-fungible tokens (NFTs). The public isn’t fully aware of what the web portal means because Gamestop has not officially announced the project. However, on April 8, 2021, Gamestop revealed it was hiring a security analyst but…

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Katana Smart Contract Audit

Introduction CoinFabrik was asked to audit the contracts for the Katana project. First we will provide a summary of our discoveries and then we will show the details of our findings. Summary The contracts audited are taken from the package Katana.rar, with md5 hash 4cs1966ec0ccef5e8bf27d6cadbc8a8c7. Contracts The audited contract is: KatanaToken.sol: Katana Token, with delegation and checkpoint logic. Samurai.sol: Token administration functions and allocation logic. This KatanaToken.sol contract uses OpenZeppelin’s ERC20 and Ownable libraries. Analyses The following analyses were performed: Misuse of the different call methods Integer overflow errors Division by zero errors Outdated version of Solidity compiler Front running…

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TOSC Smart Contract Audit

Introduction CoinFabrik was asked to audit the contracts for the TOSC project. Firstly, we will provide a summary of our discoveries and secondly, we will show the details of our findings. Summary The contracts audited are from the TOSC repository. The project was originally received in a .zip file, and the audit is based on the file version specified by the md5 hash taken with the md5sum command, which can be seen in the following list. The audited contracts are: TokenERC20.sol (e6eeb1efcb0e92b27179bd89733325ec): Standard ERC20 Token implementation.TOSC.sol (af4d4792b539d7b7619ac22d1607f29e): Extends TokenERC20 with lock and freeze functionalities.SafeMath.sol (58592b8e24036b716191bc73904dc53f): Standard library for safe math…

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