RT Nick Szabo (@NickSzabo4)Bitcoin has or is evolving through several stages of value transfer:1. small value transfers at layer 1 when Bitcoin was a tiny niche (10,000 BTC for a pizza)2. larger value txs as wealth flow increases and small txs get priced out of layer 13. small value txs at layer 2 https://t.co/6x70mmJL3S ...