51% Attack

Fifty-one percent attack

Noun

formal english definition

When malicious miners control more than 50% of the Bitcoin mining network.

EXPLAIN LIKE I'M 5-YEARS-OLD (ELI5) definition

A 51% attack can happen when an entity has more than half of the participants siding with it. This entity can make any kind of decision in the network, including bad ones, forcing the rest of the network to follow.

COMPREHENSIVE definition

A 51% attack occurs when a single entity controls more than 50% of the computing power in a blockchain network. This gives the entity the ability to manipulate the network by altering transactions, double-spending, or preventing other users from completing transactions. It is a significant security risk for blockchain networks.

Other local languages
Tagalog definition

Nangyayari pag may mga masasamang miner na kontrolado ang higit pa sa 50% ng Bitcoin mining network.

Cebuano definition

Kung ang malisyosong mga miner kay nagkontrol sa labaw sa 50% sa network sa pagmina sa Bitcoin.

Ilocano definition

Panawen nga dagiti malisyoso nga minero ket mateng-ngel da iti kaadwan nga 50 nga porsyento iti uneg iti network iti panagmina iti Bitcoin.