A wallet signature is a cryptographic approval created by a wallet to authorize or prove something.
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Short definition
Wallet Signature is a wallet signature is a cryptographic approval created by a wallet to authorize or prove something.
Simple explanation
Some signatures are harmless login proofs, while others may authorize actions or permissions. Users should read signing prompts carefully.
Why it matters
Malicious or misunderstood signatures can create security risks, especially with permit-style approvals.
Example context
A website may ask a wallet to sign a message to verify address ownership.