Unlike many cross-chain bridges, Portal-to-Bitcoin uses a combination of threshold signatures and atomic swaps.
Bitcoin’s success as a digital store of value is undeniable. Still, its utility beyond storage and transfer is a common point of criticism.
The Bitcoin (BTC) ecosystem relies on custodial, exogenous infrastructure to trade, lend against or issue derivatives of BTC. This is compounded by the fact that cross-chain bridges for the asset may be limited or have high custody risk.
