Its realistic bitcoin will be 1M$ in decade, we know bitcoin will be only max 17M coins by 2045, because so many btc lost at early stage. If compare with gold with unlimited supply, sure bitcoin will be more expensive than gold, plus bitcoin can transfer anywhare anytime, with just a small fee to cover transaction, i believe in near future bitcoin will be a real world currency, not just alternative currency right now, people more aware about privacy nowaday, and with recent pandemic corona virus and the central bank inject so many fiat money to circulation make fiat money value decrasing again and again, this things can make bitcoin adoption faster than we think