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Project 0 (formerly marginfi) review

Solana lending protocol and on-chain prime broker, formerly marginfi; no deposit, withdrawal or flash loan fees.
Lending and yieldWebNot checked yetFacts checked 28 Oct 2026 · How we check
Pricing model
Fee on use
Custody
Your wallet signs
Open source
Yes

What it does

Project 0, formerly marginfi, runs the mrgnLendv2 lending program on Solana and adds a prime-broker layer that lets one account use its collateral and margin across venues such as Kamino, Drift and Jupiter. Its docs state no fees to deposit, withdraw, repay or take a flash loan; borrowers pay interest to lenders, with a small share going to the bank administrator and an insurance fund, and origination fees have been zero. Partially liquidated accounts can lose up to 10% of the equity liquidated. The program has been audited by OtterSec, sec3, Hashlock, Ackee and Accretion, with reports on GitHub.

Who it is for: Lenders and borrowers who want one margin account across Solana DeFi.

Details

Fees
No fees to deposit, withdraw, repay or flash loan; small share of borrow interest to bank admin and insurance fund; origination fees zero to date; liquidations up to 10% of equity liquidated

On-chain safety

Audited
Yes

Website status

Not checked yet
Last 30 days
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30 days agoToday
Uptime
No data yet

Project 0 (formerly marginfi) alternatives

JupiterJupiter is an onchain finance app offering swaps, perps, lending, staking and prediction markets on Solana.Compare with Project 0 (formerly marginfi)
Arch LendingArch Lending offers loans backed by crypto collateral held with a qualified custodian, from 7.25% APR, per its website.Compare with Project 0 (formerly marginfi)
Kamino FinanceKamino is an open source credit and liquidity protocol built on Solana. The protocol enables institutions and retail users to generate returns on their assets and borrow against their crypto…Compare with Project 0 (formerly marginfi)
Loopscale LendingOrder-book lending on Solana with fixed-rate loans and curated vaults.Compare with Project 0 (formerly marginfi)
Save (fka Solend)Solana lending protocol formerly called Solend; 20% interest spread, 0.1% origination on most pools.Compare with Project 0 (formerly marginfi)
Adrastea FinanceCompare with Project 0 (formerly marginfi)

Comparisons and guides

Best Solana lending and yield (October 2026)

Sources

  1. docs.0.xyz/llms.mdx/protocol-overview/audits · checked 28 Oct 2026
  2. docs.0.xyz/llms.mdx/protocol-overview/fees · checked 28 Oct 2026
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