"customers spent just $827,000, in network fees, to transfer more than $37 billion. Over this same period, fees & fees on associated services paid to Venmo are expected to reach $150M." -@TradeBlock
tradeblock.com/blog/stablecoi…
They'll scale to be larger than most company-provisioned-services, at a faster rate, and should offer on-par services for order(s) of magnitude less.