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Erc20
Blockchain Developer
Erc20 questions
7 questions on Erc20 for blockchain developers, easiest first.
Easy
2
Why WETH exists
easy
Tokens sent to the token's own address
easy
Medium
3
Sending 1.5 USDC in base units
medium
Lowering an allowance Bob can see
medium
approve reverts for USDT
medium
Hard
2
Changing an allowance from 100 to 50
hard
Holding a rebasing token in a pool
hard
