Square's (SQ +2.5%) Cash app is working on Lightning network integration, according to Steve Moser, the editor-in-chief of the TheTapeDrive. In June, Jack Dorsey, the CEO of both Square and Twitter, hinted that Twitter (NYSE:TWTR) would integrate Lightning Network payments network for bitcoin (BTC-USD). In October, Square said its Cash App Pay is available as payment method at point-of-sale and online.