Glossary
Altcoin Meaning: What Does Altcoin Mean in Crypto?
Definition
Any cryptocurrency other than Bitcoin
Over 20,000 altcoins exist; Ethereum as the leading altcoin powers smart contracts, with alts often following BTC trends but offering niche utilities. Categories: Platform (ETH, SOL), Utility (LINK), Meme (DOGE). Market Share: Alts 45% of total cap (2025). Risks: Higher volatility, project failure.