Bitcoin Core refers to the main software that implements the Bitcoin protocol. It serves as a full node, meaning it fully validates transactions and blocks on the Bitcoin network, contributing to the network’s security and decentralization.

The software is often associated with the Bitcoin Development community, which continually works on maintaining and improving it. Users running Bitcoin Core directly support the network by helping to propagate transactions and blocks, as well as enforcing the rules of the protocol. Bitcoin Core provides a wallet for users to store their Bitcoin securely.

It also allows for advanced features, such as transaction broadcasting and observing network activity, making it suitable for developers and advanced users. In summary, Bitcoin Core is both a critical component of Bitcoin’s infrastructure and a user-friendly wallet option. By running it, individuals help maintain the integrity of the entire Bitcoin network while managing their holdings.