Beyond Bitcoin lie thousands of "altcoins" - alternative cryptocurrencies promising everything from smart contracts to payments to pure speculation. This 2026 beginner guide explains what altcoins are, the main types, a practical framework for researching a project before you buy, and why the potential for
A cryptocurrency fork is a new coin created on the basis of existing code or an algorithm with certain changes made to it. This is how altcoins based on Bitcoin and Litecoin came about.
"Feathers" is a colloquial name for the cryptocurrency Feathercoin, one of the early alternative coins (altcoins), based on the Scrypt hashing algorithm.
Namecoin is one of the first altcoins, created on the basis of Bitcoin's technology. Its purpose is the decentralized registration of names and domains, primarily in the censorship-resistant .bit zone.
An altcoin is any cryptocurrency other than bitcoin. The term unites thousands of projects: from bitcoin forks to independent blockchains with their own technologies and use cases.