BTCPay Server is an open-source, self-hosted cryptocurrency payment processor. It enables users to accept Bitcoin and other cryptocurrencies directly without the need for intermediaries or additional transaction fees. Designed for privacy, security, and censorship resistance, BTCPay Server facilitates peer-to-peer payments and offers complete control over funds. It supports features such as invoicing, point-of-sale interfaces, and integrations with popular e-commerce platforms. The platform is community-driven, continually evolving with contributions from developers globally.