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.

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.

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.

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.

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.