Altcoin refers to:
|“||math-based decentralised convertible virtual currency other than bitcoins, the original such currency. Current examples include Ripple; PeerCoin, Lite-coin; zerocoin; anoncoin and dogecoin.||”|
|“||[t]he collective name for cryptocurrencies offered as alternatives to bitcoin. Litecoin, Feathercoins and PPcoin are all altcoins.||”|
- Virtual Currencies: Key Definitions and Potential AML/CFT Risks, at 6.
- CoinDesk, “Bitcoin Glossary” (full-text).