Bitcoiner
In short: A Bitcoiner is someone who believes in Bitcoin and expects its price to rise over the long term.
A Bitcoiner is someone who believes in Bitcoin and expects its price to rise over the long term. More broadly, the word describes an enthusiast who sees Bitcoin as scarce, sound money and often prefers it to other cryptocurrencies.
Why it matters
The term appears constantly in crypto media, podcasts and social networks, and knowing it helps you understand the viewpoint behind an opinion. Bitcoiners often stress self-custody, running your own node, long-term holding and Bitcoin's fixed supply limit of 21 million coins. Like any label, it describes a belief rather than a fact about the market: prices can fall as well as rise, and conviction does not change that.
Example
A typical Bitcoiner might buy small amounts of Bitcoin at regular intervals, withdraw the coins from the exchange to a hardware wallet they control, and keep holding through both rising and falling markets instead of trading. Many also run a full node at home to verify transactions themselves rather than trusting a third party. Asked why, they usually point to Bitcoin's limited supply and its independence from any central bank. This describes a common habit, not a recommendation.