This Ethereum Lottery Perfectly Explains How Facebook’s Big Corporate Backers Will Profit from Crypto
This is a post about a lossless DAI lottery called PoolTogether. But it's really about how Facebook's Libra project will make money for its big backers. · CoinDesk

To understand how early investors in Facebook’s new Libra blockchain will make money over time, it helps to dig into a new lottery going live on ethereum mainnet Monday.

It’s a lossless lottery called PoolTogether and tickets are now on sale. Its similarity to Libra is not a completely one-to-one relationship, but the key insight of both is the same: Earning interest on your own money is good, but it’s better to also earn interest on other people’s money.

So first let’s explain this new ethereum game before circling back to Libra.

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On PoolTogether, each ticket sells for 20 DAI (the stablecoin generated by the MakerDAO protocol, which aims to keep a stable price at $1.00 each). Each pool sells as many tickets as it can, and all the DAI gets put into the ethereum-based money market protocol, Compound. There, all the ticket money collects interest over the life at the pool and at the end, one ticket earns all the interest off everyone’s ticket price.

But everyone else gets the money they paid for their tickets back, too – ergo, no losers.

Gamified savings

“What excites me is that I think it can actually move the needle on economic health for a lot of people,” PoolTogether’s creator, Leighton Cusack, told CoinDesk.

People get excited about lotteries. They don’t excited about savings accounts. This is a way of nudging them in the right direction.

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The idea of putting the concept on ethereum was first discussed in a popular post on the MakerDAO subreddit in late March, and the project has been made possible thanks in part to a $25,000 grant from MakerDAO, the company.

“We think it’s good for the ecosystem,” MakerDAO’s Richard Brown, who runs community development for the decentralized finance firm, said of the project. “One of the things that interested me the most about this is it has the capacity to take a behavior that was essentially a tax on the poor and it allows it to become a tool for social good.”

In other words, lots of low-income people gamble despite dismal chances of ever benefiting. Personal finance site Bankrate has found that people are less likely to buy lottery tickets as household income increases. PoolTogether takes the attractiveness of gaming and combines it with the healthy behavior of delayed gratification.

The strategy isn’t without precedent. Walmart has actually been running a gaming mechanic to encourage people to save money on their cash cards. People have locked up over $2 billion since 2017.