Three key fintech trends are revolutionizing the financial sector: 1) New communication channels through digital platforms are increasing customers' digital footprint and enhancing convenience; 2) Regulatory agencies must adapt policies to new risks from cybersecurity and non-banks while central banks update monetary policy; 3) Fintech uses new types of non-financial data and AI/ML for more powerful credit assessments to promote financial inclusion of over a billion unbanked people worldwide.