Shaky ERC20 Allowances

General
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Many thanks @abcoathup!

Here's a link for the slides of "Shaky ERC20 Allowances".

The gist of it is that approve(spender, MAX_UINT) is NOT safe and developers should consider using one of these alternatives:

  1. ERC-777 (non-backwards compatible)
  2. ERC-1155 (non-backwards compatible)
  3. Approve & Transfer (backwards compatible, slightly worse UX)
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Thanks for sharing @PaulRBerg

Hopefully the sessions were recorded, if I find a video I will add it here.

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It seems they have been uploaded on YouTube in the meantime.

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