If it wanted to, Visa could "become a crpytocurrency" tomorrow. It could make Visabux and continue working without real changes to infrastructure. Bitcoin is a

If it wanted to, Visa could "become a crpytocurrency" tomorrow. It could make Visabux and continue working without real changes to infrastructure. Bitcoin is a payment network with its own currency. Visa is the same thing, but the currency is linked to dollars. It is the most apt comparison.