Balancer: Everything to Know

By  Beluga Research August 8, 2023

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  • Balancer is a decentralized automated portfolio manager that enables users to create and manage self-balancing crypto portfolios
  • It is a decentralized liquidity protocol that offers self-balancing pools with customizable fees
  • Balancer introduced the concept of "smart pools" with configurable parameters and rules
  • Users can join existing pools or create their own and earn fees and rewards


Balancer is a decentralized automated portfolio manager that enables users to create and manage self-balancing crypto portfolios. It was designed to address the limitations of traditional market-making and liquidity provision mechanisms in the DeFi space. It aims to provide a more flexible and efficient solution for token swaps and liquidity provision. Unlike other decentralized exchanges that rely on fixed token pairs, Balancer allows for the creation of pools with multiple tokens and customizable weightings. This flexibility offers users the ability to create diverse and unique portfolios tailored to their specific investment strategies.

A Brief History

Balancer was launched in March 2020 by a team of developers led by Fernando Martinelli. The project received notable support from various venture capital firms and angel investors, which helped fuel its growth and development. Since its launch, Balancer has gained significant traction within the DeFi community and has become one of the leading decentralized liquidity protocols.

Balancer: Everything to Know

At the core of Balancer's functionality are the pools. These pools consist of multiple tokens, and each token's weight within the pool determines its share of the pool's total value. For example, a Balancer pool may consist of four tokens with weights of 30%, 30%, 20%, and 20%. This means that the first two tokens each represent 30% of the pool's value, while the latter two tokens each represent 20% of the pool's value.

The unique aspect of Balancer pools is that they are self-balancing. Whenever a trade occurs within the pool, the token weights automatically adjust to maintain desired ratios. This dynamic rebalancing mechanism ensures that the pool remains in line with the specified weightings, even as market conditions change. As a result, balancer pools provide a more efficient and automated way to manage token portfolios compared to traditional manual rebalancing methods.

In addition to the self-balancing nature, Balancer pools also allow for customizable fees. Pool creators can set fees for swapping tokens within the pool, which are distributed to liquidity providers as incentives. This fee structure encourages users to provide liquidity to the pools and earn rewards for their participation.

Balancer also introduced the concept of "smart pools," which are pools with configurable parameters and rules. Smart pools allow for advanced features such as dynamic fees, whitelisted tokens and even custom logic for determining token weights. This flexibility enables users to create pools that cater to specific use cases and investment strategies.

Getting Started

To begin using Balancer, users need an Ethereum wallet and access to an Ethereum-compatible decentralized exchange. One popular option is MetaMask, a browser extension wallet that allows users to interact with decentralized applications (Dapps) on the Ethereum network. Once the wallet is set up, users can navigate to the Balancer website or other platforms that integrate with Balancer to start exploring the available pools.

When accessing Balancer, users can choose to join an existing pool or create their own. Joining an existing pool allows users to provide liquidity by depositing tokens into the pool in proportion to their desired weights. By doing so, users earn trading fees and potentially BAL, the native token of the Balancer protocol. Creating a pool gives users the ability to customize token composition, weights and other parameters according to their investment strategy.

Unique Aspects

One of the key features that sets Balancer apart from other decentralized exchanges is its ability to support pools with multiple tokens and different weights. Traditional decentralized exchanges typically use a constant product model, where the value of the tokens in a pool remains constant. In contrast, Balancer's smart contracts allow for dynamic allocation, enabling users to create pools with varying token ratios.

Balancer also introduces the concept of "smart pools," which are liquidity pools that incorporate automated portfolio management strategies. These smart pools can be programmed to rebalance automatically based on predefined rules. For example, a smart pool could be designed to maintain a specific allocation of tokens or adjust the weights based on market conditions. This feature offers users a convenient way to manage portfolios without the need for constant manual intervention.

Moreover, Balancer employs a mechanism known as "weighted voting" to govern protocol upgrades and decisions. Token holders can use BAL tokens to vote on proposals and influence the direction of the protocol. The voting power is proportional to the number of BAL tokens held, but it also takes into account the weight of the tokens in the pools where the voter has provided liquidity. This unique governance mechanism aims to ensure a fair and decentralized decision-making process within the Balancer ecosystem.


  • Flexibility - Balancer provides users with the flexibility to create customized portfolios with any combination of tokens. This allows for greater diversification and the ability to tailor investments to specific strategies or market conditions.
  • Liquidity provision - Balancer pools act as automated liquidity providers, allowing users to earn fees by contributing assets to the pool. This incentivizes liquidity provision and helps maintain a healthy trading environment within the ecosystem.
  • Self-balancing mechanism - Balancer pools automatically rebalance the allocation of tokens within the pool. This ensures that the pool maintains the desired asset weights set by the creator. As token prices fluctuate, the pool dynamically adjusts by buying or selling tokens to maintain the desired allocation.
  • Low slippage - Balancer's algorithmic trading mechanism helps reduce slippage when exchanging tokens within a pool. This is particularly advantageous for larger trades, as it minimizes the impact on the market price.
  • Privacy - Balancer pools offer privacy advantages compared to traditional centralized exchanges. Users can transact within the pools without revealing exact trading intentions or holdings, providing a higher level of privacy and reducing the risk of front-running.


  • Impermanent loss - Balancer pools are vulnerable to impermanent loss, which occurs when the relative prices of tokens in the pool change over time. This can result in a reduction in the value of the pooled assets compared to simply holding the tokens individually. Traders should carefully consider the potential impact of impermanent loss before participating in Balancer pools.
  • Complexity - The concept of Balancer pools and the self-balancing mechanism may be challenging for newcomers to understand. Users need to familiarize themselves with the platform's features and understand the potential risks involved in order to make informed decisions.
  • Smart Contract Risks - Like any decentralized application running on the Ethereum blockchain, Balancer is subject to smart contract risks. While audited and tested, there is always a possibility of unforeseen vulnerabilities or exploits. Users should exercise caution and conduct their own research before participating in Balancer pools.
  • Limited Token Availability - Balancer pools are limited to the tokens available within the Ethereum ecosystem. This means that some less popular or newly released tokens may not be available for inclusion in Balancer pools. Users should verify the availability of their desired tokens before creating or investing in a Balancer pool.