Figure 4: Share of New Lending with High DTI Ratios (June 2017 month)  Source: RBNZ  ii)  International risks  Other than unanticipated major geo-political developments, the main risk on the international side lies with the build-up of global debt.
2/4  BIS central bankers' speeches  Innovation in information technology and central bank payment and settlement systems Meanwhile, innovation in information technology is making the cost of handling cash more visible. In addition, while virtual currencies such as Bitcoin have emerged under the trend of FinTech, some people argue that central banks should consider issuing digital currencies, which could partially replace banknotes.