![A protest against money-laundering outside HSBC's branch in Mexico City](https://s.wsj.net/public/resources/images/FN-AF222_FN_MON_M_20181031124152.jpg)
Blockchain technology has the potential to have a huge global impact on financial transactions.
Governments all over the world are exploring how the technology that underpins cryptocurrencies such as bitcoin can be developed and utilised to streamline compliance and bolster their arsenal in the fight against financial crime.