"Greenwashing" – the making of unsubstantiated claims about the sustainability of an investment product – is high on regulators' agendas for 2022 and it is crucial that ESG capital markets are transparent for the benefit of both issuers and investors. Technology and innovation have an important role to play in addressing these risks and ensuring the continued growth of the sustainable finance market, which has surged in recent years and is worth in excess of US$3 trillion.