Balancer Finance Guide: V3 Pools, BAL, Risks and V2 Status

Balancer is a programmable automated-market-maker protocol. Its current V3 architecture separates token accounting, pool mathematics and user entry points into a Vault, Pools and Routers, while Hooks can add logic before or after operations. This is a substantial evolution from the 2020 pool system described in the original article.

Balancer V2 is on a sunset path. Governance disabled the remaining V2 pool factories in November 2025 so new pools could no longer be created through them, while encouraging existing liquidity to migrate. On 3 November 2025, an attack affected V2 Composable Stable Pools and led to continuing recovery and reimbursement work. Users should not treat an old V2 pool address or historical APR as safe or supported merely because its contract still exists.

In March 2026, co-founder Fernando Martinelli announced that Balancer Labs, the original corporate development entity, would wind down after the V2 exploit and related liabilities. He said the protocol would continue through its DAO, foundation and service-provider structure, with core contributors moving toward Balancer OpCo subject to governance. This was an organizational change, not a shutdown of the V3 protocol.

Safety warning: Every Balancer pool is a separate risk position. Confirm the protocol version, chain, pool factory, constituent tokens, rate providers, Hooks, external yield markets, warning status and withdrawal route in current official documentation. Audits and a bug bounty do not eliminate smart-contract risk.

Balancer status in 2026

Topic in the 2020 article	Current status
Original pool model	Historical; Balancer V3 is now the primary architecture
Controlled and finalized pools	V1 terminology; current pools use V3 factories, Vault accounting and configurable pool types
Weekly 145,000 BAL liquidity mining	Obsolete static tokenomics; emissions and eligible gauges are governed and can change
Pool whitelist for BAL rewards	Historical process; incentives now depend on current gauges and governance
2020 “best pools” and APRs	Obsolete and unsafe to reuse
V2 pool creation	Disabled across networks in November 2025
Balancer Labs as the operating company	Winding down under a 2026 transition to DAO, foundation and service-provider operations

How Balancer V3 works

The V3 Vault holds pool tokens and performs shared accounting. A Pool supplies the mathematical rules used to quote swaps and liquidity operations. A Router is the user-facing smart-contract entry point that coordinates calls to the Vault. A Hook is an optional contract that can run approved custom logic around pool operations.

This modular design supports standard Weighted and Stable Pools as well as specialized designs. Pool weights do not need to be 50/50, which lets a pool behave partly like a self-balancing portfolio. Stable-style pools are intended for assets expected to trade near one another, but a depeg can still produce major losses.

Hooks increase flexibility but also expand the code and assumptions a liquidity provider must evaluate. A dynamic-fee or MEV-related Hook can change pool behavior, and a custom pool is not automatically endorsed merely because it connects to the V3 Vault.

Boosted pools and external yield

V3 Boosted Pools can place most underlying liquidity into ERC-4626 yield-bearing vaults while retaining buffers for swaps. Liquidity providers may earn swap fees plus external yield, but they also inherit the external vault’s contract, liquidity, withdrawal, oracle and asset risks.

A quoted APR may combine several components: swap fees, external lending yield and temporary incentives. None is guaranteed. Incentive rewards can end, utilization can change and a vault token can depeg from its underlying asset.

BAL and governance

BAL is Balancer’s governance and incentive token. The ecosystem has used vote-escrowed BAL, gauges and governance proposals to direct emissions and make protocol decisions. The exact lock rules, fee distribution, gauge eligibility and emission schedule are time-sensitive and should be checked in current governance material.

The original article’s statement that BAL had “no economic value” was launch-era positioning, not a reliable current description. A governance token can trade in a market and participate in incentive systems, but neither fact guarantees income, voting influence or price appreciation.

V2 exploit and migration risk

The 3 November 2025 attack affected Balancer V2 Composable Stable Pools. Governance records describe more than $90 million as missing at the time of the exploit, alongside white-hat rescues and ongoing asset-recovery efforts. Recovery for one pool or network should not be assumed to apply to another.

V2 contracts can remain on-chain even after factories, gauges or interfaces are deprecated. Existing liquidity providers should use current official portfolio and recovery information to identify their exact pool and exit route. A fake “V2-to-V3 migration” approval can drain a wallet, so migration transactions must be verified independently.

Main Balancer risks

Pool-specific risk: tokens, weights, rate providers, Hooks and factories differ from pool to pool.
Smart-contract risk: the Vault, Router, Pool, Hook, wrapper and external vault can each fail.
V2 legacy risk: deprecated factories, interfaces and vulnerable pool families require extra care.
Impermanent-loss risk: relative asset-price changes can leave an LP worse off than holding the assets separately.
Depeg risk: stable, liquid-staking and yield-bearing tokens can diverge from their reference assets.
External-yield risk: Boosted Pools inherit the risk of the ERC-4626 vault or lending market they use.
Governance risk: fees, gauges, permissions, supported chains and emergency actions can change.
Operational risk: organizational restructuring and chain deprecations can reduce interface or support coverage.
Approval and phishing risk: malicious routers, migration pages or token approvals can cause direct loss.

Original July 2020 Balancer guide (historical archive)

The original author-written sections below are preserved substantially intact. Its V1 pool taxonomy, weekly BAL distribution, whitelist, token list, pool balances, APRs and “best pool” links reflect July 2020. The external Twitter widget script was removed during the import cleanup.

Balancer ($BAL) is an automatic market maker (AMM) protocol that reduces the cost and slippage between trades of different cryptocurrencies. Balancer is a decentralized replacement for the traditional market-maker, a 3rd party entity that provides liquidity to traded assets. Balancer protocol can be called upon by different decentralized trading platforms to automatically figure out the best rates and trading prices using Smart Order Routing (SOR). The protocol also provides the funds necessary to complete the trade, using the funds from available Balancer Pools. Balancer Finance was Launched in September 2019 by Mike McDonald and Fernando Martinelli, since then the Company had a successful seed round with $3 million invested.

Balancer uses the N-dimensional invariant surface that is built upon the Uniswap dapp. They also use Automated Market Makers (AMMs), much like UniSwap, which are built off computer algorithms to regulate the market. Their Pools are doing away with portfolio management fees with users instead of collecting fees from traders, who re-balance the portfolio by “following arbitrage opportunities”.

Balancer has shifted itself into a prominent position within the Decentralized Finance (DeFi) hierarchy, as it’s BAL token caught the coattails of Compound Protocol’s governance tokens rise at the start of 2020. This saw increased attention on the exchange and has been earmarked as a competitor in the DeFi field. This perception coincides with an increase in popularity for DeFi projects and their mining qualities, something highlighted in a recent Forbes report on “DeFi Yield Famers”. So, if you are a budding or curious yielder or someone looking to understand the emerging DeFi market, this is the guide for you. In this article we provide a full breakdown of the project, what it is and explain the benefits of using this DeFi exchange and protocol.

To learn more about Balancer including its strengths and weakness, check out our video:

Balancer Finance (BAL): what you MUST know about this DeFi platform

Watch on YouTube

Balancer Finance: What you MUST know about this DeFi platform

Balancer’s Pools Explained: What are they?

Balancer pools are collections of user supplied funds that are used to provide liquidity to trades and transactions. These pools can total up to more than $11 Million USD (eg, the USDT, BAT and COMP pool). This collection of funds will be called upon during cryptocurrency trades as the as the counter-party to the transaction, thus providing liquidity to traders.

Controlled/Private Pools: These are when a fixed state is over the pool and the creator can set out the tokens and weights. This is usually done for private actors who don’t want outside liquidators, for example third party liquidators working with large quantities.

Finalize/Shared Pools: These pools are open for all actors to add liquidity and is a one way transition. They can not be amended and have a fixed parameter, unlike controlled pools and are usually for the general public to liquidate and make profits.

Alongside the two main subcategories of pools, there are other more specific smart pools that you can use. For example, Liquidity Bootstrapping Pools (LBPs) give the opportunity for teams to release a project token while at the same time building deep liquidity. Other examples include stablecoin pools with zero impermanent-loss, which founder Martinelli wrote an extended explainer here.

$BAL Token

In its initial launch, Balancer didn’t have their own native token but this changed this year, with the company revealing their governance token $BAL. The Company began distributing the token on June 23rd 2020 and will be distributed on a weekly basis for liquidity providers on the site.

However, there is no economic value to BAL tokens, rather they are currency for governance rights on the protocol. These rights allow the holders to have a say on the structure of Balancer protocol, with weight in terms of implementing new features, protocol fees, and larger structural changes like layer 2 scaling as well as contracts on other blockchains.

There are 100 million tokens created but 25 million of them have already been allocated to the founding members, core developers, advisers, and investors. The rest though are free to be mined by Balancer users who add liquidity.

According to Balancer’s website: “Every week 145,000 BALs, or approximately 7.5M per year, are distributed to liquidity providers. This means in the first year of BAL’s existence there would be 30% supply inflation off the initially allocated supply of 25M tokens.” So, how can you earn the weekly BAL allocation? This is done through BAL liquidity mining, which is discussed below.

BAL Liquidity Mining: How to earn $BAL tokens?

Liquidity mining has become one of the most popular topics of conversation in the space of decentralized finance (DeFi) in recent weeks. At its core, liquidity mining is essentially when users supply liquidity of assets to a DeFi protocol in exchange for some kind of reward. That reward may be various tokens, including governance tokens of the underlying DeFi protocol (which may end up having monetary value – like COMP). It basically offers a way for users to earn money on assets that they hold.

The main way to earn $BAL tokens is through Liquidity Mining. Essentially, Balancer rewards liquidators who pay into their pools in the form of $BAL tokens. The Company’s proposal is to give out BAL tokens in proportion to the amount of liquidity each address contributes relative to the total liquidity on Balancer.

Another way to make BAL is through creating a pool and reaping the benefits of trading fees. These are handed out in the form of $BAL. This system also incentivises the pool creator to lower fees as the lower the fees are, the more BAL they receive. Balancer’s fee gives pool creators a short term or a long term option, and they hope it will encourage lower fees so that traders are lured onto the exchange.

Speaking on the issues concerning distribution of BAL and governance rights, founder Martinelli said: “By far the most important factor or reason why we are doing that is because we want this thing to be decentralized. We believe in a decentralized, trustless future, and we want Balancer to do that. We need the distribution to be in a healthy way.”

Balancer Yield Farming & Best Pools

Top liquidity pools on Balancer are currently returning up to 30% APR on Return on Liquidity. These rates have drastically improved after the Cap Factor update on July 5th 2020.

sETH 50% WETH 50% | $7,000,000 USD Liquidity
sUSD 50% USDC 50% | $7,400,000 $7,000,000 USD Liquidity
USDC 50% mUSD 50% | $18,878,747 USD Liquidity
MKR 60% WETH 40% | $13,219,311 USD Liquidty

The best way to find the current best rates and return on liquidity is via the Predictions Exchange Chart.

Balance Coin Whitelisting

In order to quality for airdrops of $BAL Balancer Governance token, pools need to have at least two coins that are on the whitelist. Coins are added to the balancer whitelist on a weekly basis. The amount of $BAL being distributed depends on the trade volume and total liquidity, with a maximum of $

Trading on Balancer’s Exchange

Alongside their liquidity and pools, Balancer is first and foremost a decentralized exchange. With no KYC or signups, the anonymity and privacy is upheld. All you need to start trading on there is a wallet like MetaMask. Learn how to set up a Metamask account here.

The Exchange has a number of tokens available to trade. These include: Ethereum (ETH), DAI, MKR, USDC, REP, BTC++, WBTC, WETH, BAT, SNX, ZRX, LINK, DZAR, UMA, LRC, REN, LEND, KNC, COMP, OCEAN. The Exchange also has a number of tokens without pools such as tBTC, ANT, cUSDC, cDAI, imBTC, pBTC, sBTC, sUSD, PNK, AST and RPL.

Balancer: are there any risks?

Decentralized exchanges are often associated with high risks. This sort of ability to trade so easily with high interest rates is a concern. This was highlighted more recently by Ethereum founder, Vitalik Buterin, who cautioned that they were “flashy DeFi things” which sometimes come with “unstated risks attached”.

Honestly I think we emphasize flashy defi things that give you fancy high interest rates way too much. Interest rates significantly higher than what you can get in traditional finance are inherently either temporary arbitrage opportunities or come with unstated risks attached.— vitalik.eth (@VitalikButerin) June 20, 2020

Tweet from Vitalik Buterin

Balancer has acknowledged the risks, with their website warning users that: “Balancer is a very new protocol. Although we are taking every precaution and doing extensive audits, this is still very much a beta product. Use small amounts of funds to start.”

Conclusion

Overall, Balancer has position itself as a powerful tool to automate marketing making and reduce transaction fees for different cryptocurrencies. It’s leading the liquidity pool market with the ability to create n-dimensional liquidity pools which is a market first. With their unique formula which negates and actively discourages large fees, Balancer has created a decentralized project that could potentially be a self-sufficient system with a community emphasis.

For now though, the main target for Balancer is to create stiff competition for UniSwap and make themselves the industry leaders in the AMM field on Ethereum. Many believe this is possible as the DEX functionality on Uniswap is the same as Balancer, as one Uniswap token-for-token pool is equal to the Balancer pool with two tokens set to 50/50, or 1:1, value.

Decentralised Finance (DeFi) series: tutorials, guides and more

With content for both beginners and more advanced users, check out our YouTube DeFi series containing tutorials on the ESSENTIAL TOOLS you need for trading in the DeFi space e.g. MetaMask and Uniswap. As well as a deep dive into popular DeFi topics such as decentralized exchanges, borrowing-lending platforms and NFT marketplaces

The DeFi series on this website also covers topics not explored on YouTube. For an introduction on what is DeFi, check out Decentralized Finance (DeFi) Overview: A guide to the HOTTEST trend in cryptocurrency

Tutorials and guides for the ESSENTIAL DEFI TOOLS:

More videos and articles are coming soon as part of our DeFi series, so be sure to SUBSCRIBE to our Youtube channel so you can be notified as soon as they come out!

Disclaimer: Cryptocurrency trading involves significant risks and may result in the loss of your capital. You should carefully consider whether trading cryptocurrencies is right for you in light of your financial condition and ability to bear financial risks. Cryptocurrency prices are highly volatile and can fluctuate widely in a short period of time. As such, trading cryptocurrencies may not be suitable for everyone. Additionally, storing cryptocurrencies on a centralized exchange carries inherent risks, including the potential for loss due to hacking, exchange collapse, or other security breaches. We strongly advise that you seek independent professional advice before engaging in any cryptocurrency trading activities and carefully consider the security measures in place when choosing or storing your cryptocurrencies on a cryptocurrency exchange.

Frequently asked questions

What is Balancer?

Balancer is programmable automated-market-maker infrastructure. Its pools let users swap assets and let liquidity providers contribute assets under configurable mathematical rules.

Is Balancer V3 live?

Yes. V3 is Balancer's current architecture, built around a shared Vault, pool contracts, Routers and optional Hooks.

What is the difference between a Balancer Pool and Vault?

The Vault holds tokens and manages shared accounting. A Pool defines the mathematics for swaps and liquidity, while a Router coordinates user interactions with the Vault.

What are Balancer Hooks?

Hooks are optional contracts that can execute custom logic around pool operations, such as dynamic fees. They add flexibility and additional code that users must assess.

What is a Balancer Boosted Pool?

A V3 Boosted Pool can route underlying liquidity into ERC-4626 yield-bearing vaults while keeping buffers for swaps, combining swap-fee opportunities with external yield and risk.

Can new Balancer V2 pools be created?

Not through the V2 factories. Governance disabled the remaining V2 pool factories in November 2025 and encouraged migration toward V3.

Was Balancer hacked?

On 3 November 2025, an attack affected Balancer V2 Composable Stable Pools. Asset recovery and pool-specific reimbursement work continued afterward; users must check their exact pool.

Is Balancer shutting down?

Balancer Labs announced its corporate wind-down in March 2026, but the co-founder said the V3 protocol would continue through the DAO, foundation and service-provider structure.

What is BAL used for?

BAL is used in Balancer governance and incentive systems. Locking, gauges, emissions and fee arrangements can change through governance and should be checked live.

Is providing liquidity on Balancer safe?

It is not risk-free. LPs face smart-contract, impermanent-loss, depeg, token, Hook, external-vault, governance, migration and phishing risks.