The Boltz BTCPay Plugin enables merchants using BTCPay Server to accept Lightning payments non-custodially and transfer these funds to the Liquid sidechain.
By publicly exploiting a bug on Lightning that could have put users’ funds at risk, the developer was acting in the best interests of Bitcoin node runners.
The team at Sphinx is using the Validating Lightning Signer architecture to separate the keys from the Lightning node using a dedicated signing device.