It can happen because more smartcoin have been 'settled' than issued/shorted W/W.
Settlement is when BTS collateral backing the smartcoin is released, after which the smart contract destroys the smartcoins which results in a lower supply.
It can happen because more smartcoin have been 'settled' than issued/shorted W/W.
Settlement is when BTS collateral backing the smartcoin is released, after which the smart contract destroys the smartcoins which results in a lower supply.