If you are interested there are more challenges:

The Cryptocurrency Challenge:
There are 4 Cryptos that people can bet on the Daily High for that day and earn 50% of the posts (SBD):
[BTC, LTC, STEEM, & ETH]. Everyday is a new Challenge. @revelationquotes

The Gold & Silver Futures Challenge:
People can bet on the Daily High for that day and earn 50% of the posts (SBD):
Everyday is a new Challenge. @revelationquotes

The Fiat Currency Crash Challenge:
People can bet on the Daily Low for that day and earn 50% of the posts (SBD):
Everyday is a new Challenge. @revelationquotes