Tether announced a second donation of US$100,000 to the BTCPay Server Foundation to support the continued development and optimization of its open source cryptographic payment processor, according to online reports. BTCPay Server is a self-hosted open source payment platform that supports merchants and projects to accept Bitcoin and USDT payments, and is compatible with cutting-edge technologies such as Lightning Network. Tether said the move reflects its commitment to decentralized financial infrastructure and aims to promote financial freedom and privacy protection around the world.