$BTC Bitcoin is often used as a payment option or as an alternative investment. As a payment method, bitcoin can be used to buy goods and services. Although the number of vendors that accept the cryptocurrency is still limited, vendors like PayPal and AT&T are starting to accept bitcoin payments.Since Bitcoin is an open-source, decentralised digital currency and blockchain technology, no one owns it. While Nakamoto played a central role in creating and releasing the initial Bitcoin software and white paper, they designed Bitcoin to be a decentralised and community-driven project from the outset.