The number of would-be Square-killers may still be growing, but the processor's chokehold on its section of the mobile payments industry is stronger than ever....
The empire on which the sun never sets may be long gone, but British start-up mPowa aims to replicate its glorious past in the mobile payments field....
Square has built a sizable lead over its competitors, which keeps widening as the start-up is aggressively upgrading its products to appeal to larger merchants....
Having grown exponentially in the U.S. over the past year, Square has raised $200M at a $3.25B valuation to bankroll an international expansion later this year....