We are on the cusp of a small donor revolution in politics and civil society. Campaign funding, once the preserve of the state and a handful of wealthy individuals, is now increasingly shaped by grassroots payments — ranging from one-off contributions, equivalent to the price of a coffee, all the way through to regular standing orders in support of policy aims or wider social causes. This shift, sparked by the advent of social media and other digital tools, is widening civic engagement in particular causes or politically-driven campaigns and has the added benefit of providing donor groups with…