Cross-chain Mining: 25 %. It is unlocked linearly over 25 months, 16% in the first month; halved in the 2nd to 4th months, 8% in each month; second halving in the 5th to 13th months, 4% in each month; and third halving in the 14th to 25th months, 2% in each month. The incentive may not be used up every month, and it may accumulate. It depends on if there is an incentive scenario. The actual usage situation will be regularly public in community.