Hack0: Open Source Plug-and- Play Bitcoin Node for Vendors Hack0 is an open-source Bitcoin Node, which is particularly well-suited for vendors who want to self-host their own BTCPay Server in a noncustodial and trustless way. Created by Nicolas Dorier, the Hack0 is running BTCPayServer as its software. https://www.nobsbitcoin.com/hack0-open-source-bitcoin-node-for-vendors/