3F Mutual – Collective Insurance Against MakerDAO Risks DeFi Pulse

As you likely already know, MakerDAO’s DAI is a decentralized stablecoin pegged to $1 and backed by many different collateral types. Historically, there has been high demand for DAI causing it to rise above it’s $1 peg at times. To encourage the necessary inflation to bring DAI back down to $1, MakerDAO can add more collateral types and raise the total amount of DAI that can be minted from existing collateral types. While these changes do tend to bring DAI back on peg, they also add new risk parameters and complexity to the system. Some community members have raised concerns that these risks could compound over time, increasing the odds that DAI could become undercollateralized in a crisis and MakerDAO may be forced to trigger an emergency shutdown. If MakerDAO were to ever collapse, it would send ripples through the DeFi ecosystem due to the widespread use of DAI. Hakka Finance built 3F Mutual for this very reason so users could hedge against this economic risk with lower premiums and better market-making mechanisms.

Hakka Finance is an engineering team from Taiwan who have been building in the DeFi space since mid-2019. Currently, their two major products are 3F Mutual and BlackHoleSwap (more on them in a bit), but the team has a history of building cool DeFi projects. The Hakka Finance team were finalists of the Kyber DeFi Virtual Hackathon in September 2019 with their Crypto Structure Fund and also previously built a fungible version of CDPs as well as other interesting projects. Their stated goal is to build products that “allow users to pursue financial sovereignty.” The team plans to keep building until they’ve established a mature ecosystem of exceptional DeFi products controlled and governed by the community of HAKKA token holders. But before we dive too far into HAKKA, let’s explore their flagship product 3F Mutual to understand more about the Hakka Finance ecosystem.

How does 3F Mutual work?

Third Floor Mutual or 3F Mutual is a rainy day fund designed to act as collective insurance against the risk of MakerDAO collapsing. You can purchase insurance from 3F Mutual to hedge against the economic risk of MakerDAO which can be claimed if the MakerDAO Emergency Shutdown Module is activated while your insurance is still active.

3F Mutual uses an automated market maker (AMM) design which allows users to purchase insurance underwritten by 3F Mutual’s fund pool at any time. In a nutshell, there are three roles involved in 3F’s design: underwriters, insurance buyers, and insurance agents. Underwriters provide capital to 3F Mutual and earn dividends proportional to their share of the pool. As the name implies, insurance buyers pay insurance fees to receive coverage for a limited time. Insurance agents, as you may have guessed, refer new users to 3F and collect a referral bonus for doing so.

One key aspect of 3F’s design is that the insurance fees paid by insurance buyers becomes the pool used to compensate insurance buyers in the event MakerDAO’s emergency shutdown is activated. Additionally, underwriters receive dividends in the form of 15% of all insurance fees paid to the pool. When you buy insurance, you receive both insured units and shares of the pool. Shares, unlike units, never expire and entitle the holder to receive underwriter dividends. In this way, you’re acting as both an insurance buyer and an underwriter for the pool. You can even choose to buy 0-day insurance at the base price effectively purchasing shares with no insurance included.

Every time you buy insurance from 3F you pay insurance fees based on the number of insurance units and how many days of coverage you want. The fee you pay when buying insurance is multiplied by a rate set to 100% per insured day with a 1% depreciation. In other words, you can get a discount if you buy longer insurance coverage. You can only buy a maximum of 100 days of coverage.

Insurance Agents

3F Mutual features insurance agents which allows users to earn referral fees. Anyone can spend 0.01 ETH to register a unique name in 3F Mutual to become the insurance agent. Agents can build a personal profile with a profile picture and opening statement powered by 3BOX and IPFS. Agents receive a bonus for every insurance purchase made with their referral link. Bonuses increase with more referrals in a tiered system. Learn more about 3F’s insurance agent system.

3F Mutual incentivizes early participation

If MakerDAO’s emergency shutdown is activated, the total amount you’re eligible to claim is based on your number of active insurance units versus the total number of active units. When your units / coverage expires, you still keep your shares of the pool as an underwriter. With each new unit of insurance purchased, the base price per insurance unit rises and more fees are paid to the pool. As the pool continues to grow, 3F is able to provide larger amounts of insurance capacity which in turn further increases revenue. This positive cycle rewards early participants due to the fact that shares never expire. 

Imagine you’re an early insurance buyer, you’d pay a smaller base price per unit/share than a future buyer and even after your insurance expires you’d continue to earn dividends as an underwriter. And since you receive the same number of shares as you do units purchased (even if you choose 0 days of coverage), the optimal strategy is to purchase short-term insurance in the early stages of 3F Mutual to maximize your dividends and then purchase more coverage right before MakerDAO would trigger an emergency shutdown. Of course, no one can predict if or when MakerDAO might trigger it with 100% accuracy. That’s why 3F can be thought of like a rainy day fund which produces dividends during sunny days.

Since its launch in mid-September 2020, 3F Mutual has already gotten a fair bit of traction. At the time of writing, there are currently ~1879 ETH in the pool, 5738929 total shares, 4519 active insurances, and 780 agents.

How are 3F Mutual insurance fees distributed?

Destination Percentage Side note
Dividends 15% Equally distribute to all shareholders
IIP 10% Reserve for Insurance Improvement Proposals
External 20% Allocate to insurance agent (0~16%) and vault
Pool 55% Compensations for MakerDAO Emergency Shutdown

We already covered dividends, agent bonuses, and the pool of funds set aside for compensation, but that 10% for Insurance Improvement Proposals (IIP) is where 3F Mutual fits into the wider HAKKA ecosystem. This IIP reserve is held with 3F Mutual’s vault and is governed by HAKKA token holders. HAKKA holders vote on IIPs to determine how best to develop, maintain, or upgrade 3F Mutual’s protocol through Hakka Finance’s governance system.

Hakka Ecosystem

Hakka Finance aims to be a decentralized autonomous organization (DAO), distributing HAKKA tokens to its community members in order to decentralize governance. HAKKA tokens were originally sold to cover the team’s development costs when the market turned bearish in 2019. At present, 60% of all HAKKA tokens are being distributed to the community via liquidity mining and other incentive programs.
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The Hakka Finance team is committed to transparency providing the community with a Transparency Report and Hakka’s governance roadmap. In an updated financial statement from Sept. 2020, Hakka Finance mentions that a significant portion of the total supply was burned and locking / vesting schedules were extended.

HAKKA token holders govern various parameters in Hakka Finance products, like the IIP reserves mentioned. HAKKA governance also determines when to add new liquidity mining incentives. Users can earn HAKKA tokens by providing liquidity for purchasing insurance on 3F Mutual in addition to providing liquidity for HAKKA and BlackHoleSwap, Hakka Finance’s stablecoin DEX. 


Created in July 2020, BlackHoleSwap is a decentralized stablecoin exchange that can process transactions far exceeding its existing liquidity by tapping into lending protocols. BlackHoleSwap’s name is inspired by its goal to have the deepest liquidity in the universe. BlackHoleSwap leverages excess supply to borrow the necessary stablecoin when reserves are inadequate to perform a swap, lowering slippage and maximizing capital utilization. This adds what the Hakka team refers to as “virtual liquidity” to popular AMM models like Uniswap. Given the same amount of “real reserves,” BlackHoleSwap produces less slippage than many other DEXes and can even have “real reserves” as little as 0.

And because it is integrated with Compound, BlackHoleSwap can even mine COMP for the pool producing extra profit for liquidity providers. To learn more about the technical details behind BlackHoleSwap, I recommend you read the wiki found here.

Closing Thoughts

Between 3F Mutual and BlackHoleSwap, the Hakka team has built interesting products with innovative features uniquely catered to the DeFi space. I’d argue they live up to their catch phrase of “Warped Spacetime with Crypto Native Primitives” because some of their features are a bit mind-bending. Given their track record, I’ll be eagerly awaiting whatever comes next from Hakka Finance. To stay on top of all the different products Hakka Finance is cooking up, check out their website and follow them on Twitter

Disclosure: This post is part of our paid promotional DeFi Pulse Drop series; We’ve partnered with Hakka Finance to help educate and inform the community about 3F Mutual and the Hakka Ecosystem. As always, we’re committed to providing the entire community with quality, objective information, and any opinions we express are our own.

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