Investments & Online Earnings

Futures is a derivative exchange contract for buying or selling an asset in the future at a price agreed in advance. On the crypto market, it is used for hedging risks and for speculation.

x2 denotes a twofold increase in an amount or profit. Here "x" is a multiplication sign, so x2 means a twofold growth relative to the initial value.

Difficulty is a network parameter that governs how hard it is to find a new block. It automatically adjusts to the network's total power, keeping the block issuance time stable.

A smart contract is a software algorithm on a blockchain that automatically executes the terms of an agreement. It works without intermediaries and triggers only when the specified conditions are met.

Solo mining is independent cryptocurrency mining in which a miner works alone and does not pool their power with other participants. The entire reward for a found block goes to them in full.