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A 51% attack is a scenario in which more than half of a network's computing power is controlled by a single participant or group, which theoretically makes it possible to manipulate transaction confirmation.

An ASIC is an integrated circuit designed to perform a single task. In mining, such chips are used for the most efficient computation of a specific cryptocurrency algorithm.

An ASIC miner is a cryptocurrency mining device built on specialized ASIC chips. It is tailored to a specific algorithm and is significantly more efficient than universal hardware.

Arbitrage is a strategy based on the price difference of the same asset across different venues. In cryptocurrencies it relies on rate discrepancies between exchanges and requires accounting for fees and risks.

A buy wall is a large order or cluster of buy orders in the exchange order book. It can hold back a price decline and is often used to influence the behavior and psychology of market participants.