NAVI Lending Review: Is Sui Borrowing Worth It?

NAVI is a lending and borrowing protocol on Sui. You can supply supported crypto to a market and receive interest, or deposit collateral and borrow another asset without selling your holdings. NAVI describes its loans as overcollateralized: the value of your collateral must support the amount you borrow, and each market sets borrowing limits and liquidation thresholds.

The protocol lists markets for SUI, USDC, USDT, wETH and wBTC. Its homepage also describes isolated markets, which separate some market risks, and flash loans, a specialised tool generally used within a single transaction. These features may not be useful for a typical lender or borrower.

NAVI displays example rates, but lending returns and borrowing costs are variable. A displayed APY is not a promise of future earnings, and a borrow rate can change as supply and demand shift. Review the specific market before committing funds, including collateral eligibility, loan limits and liquidation conditions.

NAVI's main cost is the interest rate: suppliers earn interest while borrowers pay it, and both rates can change with market utilisation. The homepage shows example supply APYs and borrowing APRs, including a displayed borrowing rate below zero. Treat those figures as snapshots rather than dependable terms; the rate you receive or pay can differ by asset and market and can change after you enter a position.

The protocol does not publish a clear, fixed fee schedule on its homepage. On-chain transactions also require Sui network fees, and interacting with a lending market may involve more than one transaction. Check the app's final transaction details and the current market rate before confirming.

If you borrow, the biggest practical cost may be liquidation rather than interest. When collateral value falls or your borrowing position exceeds its permitted limit, some collateral may be sold to repay the loan, potentially with a penalty. Leave room below the maximum borrowing limit and consider how volatile your collateral is. Do not treat a high displayed lending APY as a guaranteed return.

NAVI says its contracts are open source and its homepage claims more than 10 security audits, with reports published in full. It also advertises a bug bounty and real-time risk monitoring. These are useful signals to investigate, but audits cover particular code and versions; they cannot rule out every exploit, operational failure or loss. The homepage also describes NAVI as having had zero incidents, which is the project's own claim rather than a guarantee about future performance.

Using a DeFi lending protocol means placing assets into on-chain contracts. You remain exposed to smart-contract vulnerabilities, oracle or market failures, liquidity shortages and the risks of the assets themselves. Borrowers additionally face liquidation if collateral falls in value or their position no longer meets market requirements.

NAVI does not publish licence details or a clear custody explanation on its homepage. Do not assume that audit claims make the service equivalent to a regulated bank or that deposited assets are insured. Read the relevant market terms and security reports, and only deposit funds you can afford to put at risk.

NAVI runs on Sui, so you need a wallet that supports Sui and enough SUI to pay network transaction fees. The exact wallet options and supported asset routes can change; confirm compatibility in NAVI's app before connecting. Make sure you are using the intended protocol app and that token names and network details match before approving any transaction.

The homepage presents lending as a deposit-and-earn flow and borrowing as a collateralize-and-borrow flow. It says deposits can be withdrawn anytime, but that does not guarantee every market will have enough available liquidity for an immediate withdrawal. Check the market's available liquidity and the app's current withdrawal conditions before supplying funds.

NAVI says it has served more than one million users and processed over $30 billion in loans. Those are project-reported figures, not a measure of your personal protection or a promise that a market will remain liquid. Review your position in the app regularly, especially if you borrow against volatile collateral.

NAVI is only a fit if you are comfortable with Sui and the risks of on-chain lending. Its supported assets and market choices are narrower than a service that lends across several blockchains. Interest rates are variable, and the project does not publish a fixed fee schedule on its homepage. There is also no guarantee that a displayed lending rate will persist or that a market will have the liquidity you want when you exit.

Borrowing adds a separate risk: collateral can be liquidated if its value drops or your position breaches a market limit. Borrowing close to the maximum allowed amount leaves less room for price moves. Supplying assets also exposes you to contract and market risks, regardless of the protocol's audit claims.

NAVI does not publish licence details on its homepage. If you need regulated lending, guaranteed returns, deposit insurance or a fixed-rate loan, choose a service that clearly offers those protections. For anyone considering NAVI, start with a small amount, understand the market rules, and avoid borrowing more than you can manage if prices move against you.