Security

Understand the mechanisms, then explore their implications.

A secure base chain can host an insecure application.

An ERC-20 approval lets a spender contract transfer a specified allowance on your behalf.

A multisignature arrangement requires several signatures under a defined policy, such as two of three keys.

A wallet manages access to assets recorded on a network.

Attackers can imitate a support agent, a familiar website or a message from a friend.