Multisig
A multisig wallet or contract needs multiple approvals before it can move funds or execute actions.
Category
Protocol Defenses
These terms describe controls and failure modes that protect crypto infrastructure.
How to recognize this theme
Safety terms for contracts and cross-chain systems.
In a daily board, this category groups terms by their shared role. Look for four cards that describe the same mechanism, risk area, or workflow rather than four words that merely sound similar.
Educational context
These entries are vocabulary notes for learning. They are not project endorsements, token recommendations, exchange rankings, or trading signals.
Timelock
A timelock delays a contract action until a preset time has passed.
Pause Switch
A pause switch can temporarily halt protocol actions during an incident or attack.
Reentrancy
Reentrancy is a smart-contract bug where a function can be entered again before it finishes.