Hubble Protocol, a Solana-based DeFi project, said today that it has raised $10 million in a recent investment round from many leading Crypto businesses, ahead of its mainnet launch next week. The protocol's initial phase of development, which begins on January 28 with the launch of its mainnet, will bring a zero-interest borrowing platform powered by USDH, a censorship-resistant Crypto-backed stablecoin.