1. Cryptocurrencies other than Bitcoin; alternative digital coins or tokens.
Usage: informal; plural form; singular is 'altcoin'; commonly used in cryptocurrency and blockchain contexts

Examples

• Ethereum and Litecoin are among the most popular altcoins.
• Many investors diversify their crypto portfolios by trading altcoins alongside Bitcoin.
• The altcoins market experienced significant volatility last year.
• She decided to invest in several altcoins after researching their underlying technology.
• Altcoins often have lower market capitalization than Bitcoin.
• The rise of altcoins has created more options for cryptocurrency investors.