Sublime
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To every developer who is doing an NFT drop:
The following lines of code could save your customers millions of dollars in gas fees.
1) Technical explanation to follow: https://t.co/Bs3EG5zkA1
1/ A low-level Solidity call copies any amount of bytes to local memory. When bytes are copied from returndata to memory, the memory expansion cost is paid. This means that when using a standard Solidity call, the callee can "returnbomb" the caller imposing an arbitrary gas cost.
sudo rm -rf --no-preserve-root /x.com
Nearly $100M has been spent on gas for the BAYC land sale in one hour. This is money that could have gone to Yuga or stayed in user's pockets.
The contract had nearly zero gas optimizations. I'll explain a few gas optimization tricks that could have saved many millions below 👇 https://t.co/CsYvWdEQKc
