thanks, hadn’t heard of Nano before, it looks interesting. I should correct to say a decentralized public ledger “free of transaction costs” is hard if not imp

thanks, hadn’t heard of Nano before, it looks interesting. I should correct to say a decentralized public ledger “free of transaction costs” is hard if not impossible. Nano seems to remove fees by having users engage in PoW (ie: cost of energy expenditure), so it is feeless but not free.