Hifi Finance | 1,859 followers on LinkedIn. (Formerly Mainframe) Fixed-rate borrowing against crypto, giving users instant liquidity to multiply their investment. | The Hifi Lending Protocol allows anyone to borrow against their crypto. Hifi uses a bond-like instrument, representing an on-chain obligation that settles on a specific future date. Buying and selling the tokenized debt enables fixed-rate, fixed-term lending and borrowing — something much needed in decentralized finance today.