Add comments for Bitcoin: a083f75ba79d465f15fddba7b00ca02e31bb3d40 (Update assumevalid, minimumchainwork, and getchaintxstats to height 563378.).
Add comments for Bitcoin: a083f75ba79d465f15fddba7b00ca02e31bb3d40 (Update assumevalid, minimumchainwork, and getchaintxstats to height 563378.).

aurarad/auroracoin,aurarad/auroracoin,aurarad/auroracoin,aurarad/auroracoin,aurarad/auroracoin