Portal to Bitcoin (formerly Portal DeFi) is revolutionizing cross-chain Bitcoin trading with a non-custodial protocol that enables seamless atomic swaps between Bitcoin assets and other blockchains without bridges or wrapped tokens. Its core technology, BitScaler, enhances transaction efficiency while maintaining security. Backed by major investors, Portal has raised $42.5 million and Recently, they unveiled the Aurelia testnet program where participants can earn Litenodes for network rewards. The project aims to facilitate decentralized trading and increase Bitcoin's utility, with 5% of its 4.9 billion emission tokens allocated for Litenode operators.