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What Is ‘Double-Signing’ in PoS?

A severe malicious act where a validator signs two different blocks for the same position on the chain, leading to maximum slashing.
Greeks.Live03.11.25

What Is ‘Double-Signing’ in PoS?

Double-signing is a malicious act where a validator signs two different blocks for the same slot or height in the blockchain. This attempts to create conflicting histories (a fork) and confuse the network.

It is considered a severe offense in PoS and is immediately detectable, leading to the maximum slashing penalty for the dishonest validator.

How Does the “Slashing” Mechanism Enforce Good Validator Behavior?
Give an Example of a Malicious Action That Triggers Slashing
What Is “Slashing” and How Does It Secure the Network in a PoS System?
How Does the Severity of the Slashing Penalty Vary Based on the Offense?

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