With the growth of digital, a new solution to retail banking woes is emerging. Hello bank! is the world's first stand-alone digital mobile bank that's accessible any time, any place – and, crucially, maintains a clear focus on customer experience.

As part of its Uncarrier repositioning, T-Mobile is launching into the banking business with a pre-paid debit card and banking app. But if people aren't willing to trust banks with their cash, why should they trust a telecoms provider?

In societies that are cash-rich but time-poor, gift cards have emerged as a popular solution. The gift card market in the UK alone is currently worth £4bn; and with smartphone penetration rising, gift cards are becoming digital.

Holvi replaces the standard bank account with a service that offers a smart checking account for group activities, as well as a new online banking experience that integrates the checking account with bookkeeping and fundraising services.