The Balancer DEX and Liquidity Pool platform is an interesting one. Liquidity providing is incentivized by emissions of the BAL token, which is earned on a vast array of tokens and pools, unlike Uniswap where the UNI token is only earned on a few.
The way BAL is distributed is fairly complex, and there is much more customization options with a Balancer Pool. Here is what I have learnt so far:
Pools with BAL earn higher rewards. Obviously the platform wants to encourage a highly liquid market for its own native token, so pools containing it will earn higher BAL payouts.
Balanced pools earn better than unbalanced. Pools can be set up with a very one-sided structure - up to 98% one token and 2% the other. This is great for minimizing Impermanent Loss, but not necessarily great for thew platform. Also, a pool like this could be used as an attack vector, setting up a pool, massively inflating the value of the token, leading to a huge "on paper" liquidity and higher rewards. To counter this, balanced pools are rated higher.
Pools with highly correlated pegged assets earn lower BAL. For example, a WETH/sETH pool will receive lower BAL than others.
Pools need at least 2 whitelist tokens to earn rewards.
Lower fee pools earn better than higher fee. Pools can be set up for different purposes. Some target high swap fee income, others lower fees, higher transaction volume and higher BAL payouts. With a token like WLEO, I think swap fee income shouldn't be the high priority, higher BAL return would be preferable.
The process is pretty straight forward. All that is required is to submit the Token symbol, address, Etherscan link and Coingecko link to the dedicated Discord channel. Each week tokens get added to the whitelist, provided they meet some basic eligibility checks.
Ok, so what would an optimal pool look like for maximising BAL payout for a WLEO pool.
The most profitable pool in terms of BAL mining, according to [Pools Vision](https://pools.vision/ - a website set up to track performance of the different pools) is a 60% BAL, 40% WETH pool with a 0.3% swap fee, generating an APY of 150%. Here are the top pools, sourced from the pool vision site linked above, and sorted by BAL APY:
These returns will vary depending on how much liquidity Balancer has, and could vary greatly over time.
Setting a pool like this up is permissionless. We don't need to apply to anyone for listing. Being added to the Balancer swap platform is a different story. This is up to the discretion of the devs there. Swaps are available of course using the contract, but a simple token ticker would be nice and easy.
Whitelisting for BAL rewards would be a formality I think, the WLEO eth contract is pretty straightforward I think, and the token is gaining volume, price and liquidity on Uniswap.
I think a pool on Balancer for WLEO, optimized to maximize BAL income, could bring new investment in to the WLEO token. Liquidity Providers will find the high BAL APY and add to the pool, maybe even doing some research first to find out what we are all about.
The other reason I like it is that a pool could be set up, and 
The Uniswap pool is going fantastically well, opening up another option could take WLEO onwards and upwards. I know more options are in the plans for down the track, but momentum is a powerful force and I think there is plenty behind WLEO at the moment.
I don't know if Balancer is the best option, it is just the one I have been playing with a bit and have done some research on.
Links for further reading:
Lastly, the cost to set the pool up would simply be a gas fee charge. It is quite expensive in terms of gas. In the LEO discord a couple of days ago, I did a background check of the cost to set up a pool, and the amount of Gas required was around $250. This could be higher or lower depending on the ETH network activity and current Gas levels.
Thanks for reading,
JK.
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