There’s no homework for this lesson, but the market may spring a surprise quiz.
This lesson’s topic: Offline signature authorization.
This type of signature isn’t an on-chain transaction, so it doesn’t require Gas when signing. However, whoever obtains the signature can submit it on-chain to make the authorization take effect.
If an unfamiliar website asks you to sign something to claim a reward, don’t rush into it.
Here’s a real-time reference: $ETH , current price 2299.65, 24h +1.13%.
This lesson’s topic: Offline signature authorization.
This type of signature isn’t an on-chain transaction, so it doesn’t require Gas when signing. However, whoever obtains the signature can submit it on-chain to make the authorization take effect.
If an unfamiliar website asks you to sign something to claim a reward, don’t rush into it.
Here’s a real-time reference: $ETH , current price 2299.65, 24h +1.13%.
