Study Notes | Offline Signature Authorization
① Offline signatures have an expiration time. Before it expires, whoever holds the signature can submit it on-chain at any time.
② These signatures are not recorded on-chain, and signing them requires no Gas. However, whoever holds the signature can submit it on-chain to activate the authorization.
③ If an unfamiliar website asks you to sign something to claim a reward, it’s best to stop and think first.
$ETH 2473.97（+0.68%）
#ETH
① Offline signatures have an expiration time. Before it expires, whoever holds the signature can submit it on-chain at any time.
② These signatures are not recorded on-chain, and signing them requires no Gas. However, whoever holds the signature can submit it on-chain to activate the authorization.
③ If an unfamiliar website asks you to sign something to claim a reward, it’s best to stop and think first.
$ETH 2473.97（+0.68%）
#ETH