To improve this, the broker can throw out the best
performing clients, since they might genuinely
know what they’re doing.
https://augur.net is an Ethereum-based betting market that will help traders/bettors avoid these kinds of malicious practices. Augur v2 is being developed now, you can expect it to be Really Cool by about April 2020. Millions of dollars will be wagered on Augur for the 2020 election.