hifi

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TL;DR
Hifi Finance is a decentralized lending protocol built on Ethereum that enables users to borrow against their cryptocurrency. What sets Hifi apart is its fixed interest rate, which provides a high degree of predictability in financial outcomes for both borrowers and lenders.The Hifi protocol is governed by HIFI token holders who are responsible for managing risk parameters and incentives to ensure the protocol’s smooth operation.
What Is Hifi?
Hifi is a decentralized lending protocol offering fixed interest rate lending on the Ethereum blockchain. Borrowers can use Hifi to access the value of their crypto assets without having to sell them. With fixed interest rates, borrowers know exactly what they will pay before deciding to borrow.
Lenders can use Hifi to earn a predictable return, as the fixed interest rates provide a clear understanding of what they will earn before lending. Liquidity providers can earn fee-based rewards for providing liquidity to Hifi's interest rate markets, and liquidators can earn profits by monitoring the protocol and liquidating risky debt positions to protect it from bad debt.
How Hifi Works
Hifi is a protocol of smart contracts that allows users to deposit collateral and mint hTokens in a trustless manner. hTokens are a bond-like instrument representing an on-chain obligation that will be settled on a specific future date. Lenders purchase hTokens at a discount and can redeem them for full face value at a specified maturity date.
The protocol enforces a collateralization factor that ensures all debt is over-collateralized at all times. If the collateral falls below the maintenance threshold, it will be sold to liquidators at a discount, paying down some of the loans and returning the remainder to an acceptable collateralization level.
This arrangement, enforced by smart contracts, helps to ensure borrowers maintain their collateral levels, provides a safety net for lenders, and creates earning opportunities for liquidators. 
By offering fixed-interest rate loans to borrowers, Hifi grants them access to the value of crypto assets without selling them. For lenders, Hifi provides a way to earn a predictable return, as they know exactly how much they’ll earn when they lend to one of Hifi's debt markets.
For liquidity providers, Hifi offers an opportunity to earn fee-based rewards for providing liquidity to Hifi's interest rate markets, with liquidators earning a profit each time they liquidate risky debt.
HIFI token holders are responsible for managing the protocol’s risk parameters and incentives, and may choose to allocate resources to liquidity or staking rewards, public goods, bug bounties, or funding a token buyback program.

HIFI Token and Governance
HIFI is an ERC-20 token that gives its owners the ability to participate in Hifi Governance, the community-organized process for managing the Lending Protocol that enables the community to propose, vote on, and implement changes via the Protocol’s administrative functions.
Proposals can change system parameters, support new markets, add entirely new collateral types, or deploy resources toward specific causes.
Token holders can delegate token voting rights to any address, including their own. The delegate's voting rights are automatically adjusted according to the owner's token balance. The HIFI token allows its holders to influence change in the Hifi lending protocol and protect it through risk management.
Key Features
What sets Hifi apart from similar protocols is its predictability. Fixed interest rates offer more certainty in financial outcomes than variable-interest-rate protocols. 
Additionally, the HIFI token is an ERC-20 token that gives token holders voting rights on which assets users can borrow against, such as Ethereum-based tokens, NFTs, or tokens backed by real-world assets.
At the center of the Hifi Lending Protocol is a fee switch — once turned on, it will capture an origination fee every time a user borrows from the protocol.
Hifi Finance: Pros and Cons
For beginners, Hifi Finance can be a great way to earn interest. For more advanced traders, it offers opportunities to leverage up by increasing their position.
If a trader is long ETH, they can provide ETH as collateral to borrow USDC against their ETH, then use the USDC to buy more ETH. If the price of ETH increases, the borrower can earn more than the interest paid for borrowing and can thus make a profit.
Conversely, if ETH price decreases, they must still repay the borrowed amount with interest or run the risk of liquidation and losing their collateral.
Fixed-rate lending provides predictability for both the lender and borrower. But while it can protect against interest rate fluctuations, that security may come at the expense of initial rate discrepancies when compared to variable-rate lending. Additionally, even if interest rates decrease, a fixed-rate loan would not decrease compared to a variable-rate loan.
The Hifi Lending Protocol has been audited by third-party firms such as Quantstamp; however, as with any software, bugs and vulnerabilities (while unlikely) can still occur. Be sure to consider potential risks before sending funds to a smart contract and never risk more funds than you can safely afford to lose.
Closing Thoughts
Hifi Finance is a decentralized lending protocol that offers a high degree of predictability and control to its users. With fixed interest rates and community-driven governance, it provides a unique opportunity for borrowers to access the value of their crypto assets, for lenders to earn a predictable return, and for liquidity providers and liquidators to earn rewards for supporting the protocol.
Further Reading
A Beginner's Guide to Earning Passive Income With CryptoAn Introduction to ERC-20 Tokens
What Is Crypto Lending and How Does It Work?
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