Since all of this is based on a blockchain im pretty sure all actions you end up doing in the game like challenging another character will be stored on a block meaning you can bring everything back to a set transaction date
Also if you read the whit paper

Turnover splitting
50% is directly going back to the players.
30% of the turnover is for the developers and the team.
10% is reserved for bug bounties.
10% is reserved to finance upcoming in game events.
Players will directly have a stake in the turnover of STEEMPUNK-NET. Top players will
directly get a share of the total turnover, statistics will be posted weekly to show
developments.

• Who won most combats?
• Who found most items?
• Who is the best rookie of the week?
• The holy private Key

The white paper is here