#2 & #3 will be implemented. Except im a bit confused about #1? The vendor can choose to peg their price to AUD, USD, BTC, GPB, EUR.. If they Peg it to USD, then the price will always be the same USD price, and the BTC price will fluctuate. if they peg it to BTC, the BTC price will fluctuate and the USD price will fluctuate. Buyers can choose what currency they see the price in..