Questions tagged [hack]

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How to fix vulnerability in solidity contract

I have recently deployed a contract on the BSC mainnet that got drained of all the funds in it, but I can't seem to find where in my contract the loophole is to know how it got drained so it doesn't ...
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How could someone negotiate with the hacker?

I'm reading this article, and quote: After negotiation, one hacker agreed to return 259+63 ETH Since only the hacker can control the ETH funds, and no one can lock the ETH. I'm wondering on what ...
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Just got my contract drained- how?

I just got my contract drained, and am trying to understand how. Obviously I'm a noob, played with fire and got burned bad (shouldn't have big sums of money on contracts). I SHOULD have transferred my ...
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Potential signature malleability in Solidity CTF

I am doing a CTF so I don't want to give too much information away. I am pretty sure I can practice signature malleability or otherwise abuse the signer functions to be able to mint tokens given the ...
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The Ethernaut King Challenge

I am trying to pass level 9 of Ethernaut challenges known as the King contract. My designed contract for hacking the King contract is as follows: pragma solidity 0.8.0; contract MaliciousKing { ...
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Is there a way to prevent web3.eth.Contract being hacked/manipulated using from Dev Tool?

When I try to send a contract to make a custom token transfer It can get hacked using Dev Tools. Anyone can hack by going to the dev tools and can manipulate the contract address from javascript in ...
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Telegram bot to monitor ETH addresses for transactions? Especially Transfer OUT and APPROVALS

Is there a good reliable ETH telegram bot to monitor my eth addresses for transfers that are outgoing and approvals?
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