You choose the amount of BTC to contribute, and the days your LIBRE will be staked. The earlier you contribute, the more of a bonus on your initial stake you will earn. You must stake for at least 30 days - can stake up to 4 years. At the end of the mint rush tokens will be distributed to you based on this formula ( your contribution / total contributions ). 100% of Mint Rush tokens will be staked on day 1 after distribution.