Short selling

A high-frequency style aiming for small profits on many trades, often within seconds to minutes.

A 12–24 word backup that can reconstruct a wallet's private keys. Lose it and you lose access; share it and you lose funds.

A risk-adjusted return metric: excess return divided by volatility. Higher = better return per unit of risk.

Borrowing an asset to sell now and buy back later — profit on declines.

The difference between expected price and actual fill price, usually worse on volatile or illiquid assets.

Self-executing code on a blockchain that runs when conditions are met. Powers DeFi, NFTs, and DAOs.

A central-bank policy outcome where rate hikes slow inflation without triggering recession.

The difference between the bid and ask price. Tighter spreads = more liquid markets.